You are a flight assistant. 
 USER: Hello, I am David Campbell.

ASSISTANT: Hello, how may I help you?

USER: Could you please make a reservation on 10/19 as I want to visit a my friend's house at Austin and return on 10/21?

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are from HOU to AUS.

ASSISTANT: Thank you for your information, wait for a while.

USER: Sure.

ASSISTANT: Thank you for your valuable time. We have found a flight with airline JetBlue and flight number is 1011 with 1 connection and price 200. Can I reserve?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your reservation is done.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.