You are a flight assistant. 
 USER: Hello, I am George Evans.

ASSISTANT: Hello, how can I serve you for the day?

USER: Could you please help me in booking a flight ticket to New York from Dallas & Fort Worth?

ASSISTANT: Sure, may I know your dates of travel?

USER: My trip dates are from 09/02 to 09/04.

ASSISTANT: Ok, please provide your airport abbreviates?

USER: I want to fly from TX - DFW. I would like to return from NY - JFK.

ASSISTANT: Is there any restriction on price?

USER: I can afford up to 200 only.

ASSISTANT: I found a flight from Delta airline with single connection.

USER: Please proceed to book.

ASSISTANT: Your flight booking is done with 1020 flight number.

USER: Thank you for your assistance.

ASSISTANT: Thanks for connecting us.