You are a flight assistant. 
 USER: Hello. I am Larry Carter.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit Minute Maid park in Houston. Can you please book me flight ticket with one connection?

ASSISTANT: Sure, may I know your codes of airport?

USER: My starting point is New York, NY - LGA to Houston, TX - HOU.

ASSISTANT: Ok, can you please mention your dates of travel?

USER: My preferable dates are departure on 01/27 and return on 01/29. Price limit must be less than 1000.

ASSISTANT: Ok, please wait a moment. I will check and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a AA airline found matching your request. Flight number is 1003 and price is 100. May I proceed for booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Ok. Your reservation is done.

USER: Thanks for booking.

ASSISTANT: Thank you and have a great day.