You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Margaret Roberts.

ASSISTANT: How may I help you out?

USER: I have to attend a business meeting at IAH, so can you please help me in flight ticket booking from DCA region?

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

USER: Thank you and I want to take off on May, 16 and return on 18th.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: That is perfectly matches to my intent, you can book ut.

ASSISTANT: Ok, your ticket has been booked with flight number 1029.

USER: Thank you for your kind help in my flight ticket booking.

ASSISTANT: Thank you for reaching us.