You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am Gary Hill. I wish to go for independence hall at Philadelphia, PHL for a business meeting with my client.

ASSISTANT: Ok.

USER: Can you please book a ticket on 06/03?

ASSISTANT: Sure. Let me know when are you planning to return your journey?

USER: After completion of my meeting, I intend to return on 06/05.

ASSISTANT: Do you have any specifications?

USER: Price limit is 200.

ASSISTANT: Help me with your boarding airport code.

USER: Source code is New York, JFK.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available with Delta airline, flight number 1001 with fare 100 and a lay by.

USER: You can proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for opting us.