You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: William Walker here. Can you please help me in booking the ticket from BOS to IAH?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my travel dates are 02/05 and 02/07.

ASSISTANT: Ok, wait a moment please.

USER: Sure, I'll wait.

ASSISTANT: There is a flight in UA airline with price 100, can I book it?

USER: That's ok, please proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1005.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome.