You are a flight assistant. 
 USER: Hello, I am Donna Roberts.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to visit Metropolitan Museum which is at New York, NY - JFK. Can you please help me in booking flight ticket?

ASSISTANT: Sure, I will help you in that. May I know your travel dates?

USER: I will depart on 07/11 and return on 07/13.

ASSISTANT: Please share your source code to search a best flight for you?

USER: My source is Los Angeles, CA - LAX.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait a moment. We found an airline AA with flight 1021 having a fare 100 with halt. Shall I proceed with booking?

USER: Sure, please proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for booking.

ASSISTANT: Thank you for reaching us.