When you book your airline tickets, do you use an online travel agency?

Last time we asked for your opinion -- in November -- we were looking for your views on how the airlines treated business travelers. And we got an earful.

This time, we are not focusing on the airlines or their Web sites but on Internet travel agencies, which are proliferating as people become more comfortable making online transactions. Some of these sites claim to have millions of subscribers each and report bookings of more than $100 million a year.

If you use an Internet travel Web site, we would like to hear about your experiences. Which site do you use most often and why? Which sites do you hate? Do you think you get the best deal by using an online travel agency?

The questions are listed below. Please just copy and paste the survey below into an email addressed to

hhegeman@nkn.net. Reply with clearly written answers, or answers marked appropriately (put an X next to each choice), no later than next Saturday, March 13. We will report on the findings the following Saturday.

As always, we are offering much-sought-after goodies to get you to take the time to respond. This time we are sending out a

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coffee cup and a long-sleeved, oh-so-chic

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shirt to one lucky participant, who will be drawn at random from the pile we get in the email box.

So, remember: Get these back to me no later than next Saturday.

In the meantime, we will be reviewing the major online travel agencies, and reporting our findings back to you in two weeks as well.

TSC Online Travel Agency Survey

1. How often do you use an online travel agency?

Often -- more than once a month Monthly Sometimes -- every other month or so Never

2. If you currently use an online travel agency to book airline tickets, do you also use a traditional travel agent?

Often Sometimes Never

3. How many different online travel agencies have you tried in the last year?

5 or more Less than 5 None

4. Which online travel agencies have you tried? Mark all that apply.

Travelocity Preview Travel BizTravel The Trip.com Expedia Yahoo Travel UniglobeTravel Online Atevo 1Travel.com TravelResDirect Travel Network Traveler's Net Other:

5. Which online travel agency do you use the most?

Travelocity Preview Travel BizTravel The Trip.com Expedia Yahoo Travel UniglobeTravel Online Atevo 1Travel.com TravelResDirect Travel Network Traveler's Net Other:

6. What is the single biggest factor that has influenced your choice of online travel agency?

I think I get the best fares available Site is easy to navigate, easy to use Great customer service Other:

7. What is your single biggest complaint with online travel agencies you have tried to use in the past?

Site is too slow Site is hard to navigate Fares are not competitive Connections fail Customer service problems

8. Which online travel site would you rate as the worst you have tried to use?

Travelocity Preview Travel BizTravel The Trip.com Expedia Yahoo Travel UniglobeTravel Online Atevo 1Travel.com TravelResDirect Travel Network Traveler's Net Other: Why?

9. Is there any feature that your current online travel agency could provide that it does not already provide?

10. Overall, how would you rate your satisfaction with the online travel agency you use the most?

Excellent Good Fair Poor

11. In conclusion, do you have a favorite war story, or terrific experience, in regard to your use of an online travel agency? If so, let's hear it!

Thanks to all. We'll see you back here in two weeks with your comments and our evaluation results.

Holly Hegeman, based in Dallas, pilots the Wing Tips and Traveling With Wings columns for TheStreet.com. Under no circumstances does the information in this column represent a recommendation to buy or sell stocks. You can usually find Hegeman, publisher of PlaneBusiness Banter, buzzing around her airline industry Web site, at www.planebusiness.com.