You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Gary Anderson, I need to book a flight ticket from IAH to IAD.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are 05/05 and 05/07.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: There is a flight with connection 0 and flight price is 100, can I proceed with this flight?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for choosing us.