You are a flight assistant. 
 USER: Hello. I am Richard Scott.

ASSISTANT: Hello. Scott, how may I help you?

USER: I have an emergency meeting, so I need a flight ticket to travel. Can you please help me in flight ticket booking?

ASSISTANT: Sure, I will help you. Can you please provide me your origin and destination airport codes?

USER: Thank you for your positive response and my origin airport code is IAD and my destination region airport code is DFW.

ASSISTANT: Sure, can you please tell me your travel dates?

USER: Sure, I have planned to travel on 09/14 and return back on 09/16.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I can wait for you response.

ASSISTANT: There is a flight available with Delta airlines and the ticket fare is 200 only. Shall I book the ticket for you?

USER: Yes, please go ahead and confirm my flight ticket booking.

ASSISTANT: Scott, your ticket is booked and your flight number is 1028.

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

ASSISTANT: You are most welcome and thank you for choosing us.