You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Rebecca Walker, can you help me to book a flight from HOU?

ASSISTANT: Ok, let me know your travelling dates.

USER: My travelling dates are 05/27 and 05/29.

ASSISTANT: Fine, may I know your destination?

USER: My preferred destination airport code is IAD.

ASSISTANT: There is a flight-1022 on Spirit airlines, shall I proceed?

USER: That's fine, you can proceed with booking.

ASSISTANT: Ok, booking is done with your name.

USER: Thank you.

ASSISTANT: Welcome Rebecca Walker.