You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gary Roberts.

ASSISTANT: How can I help you today?

USER: I am planning to book a ticket to attend a meeting at IAH. Can you please help me out from PHX?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: I would like to travel on 02/17 and return back on 02/19.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: AA airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket has been booked with flight-1003, have a safe journey.

USER: Thank you for your service.

ASSISTANT: Thank you so much for choosing us.