You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I need your help to book a ticket from PA-PHL to DC-IAD.

ASSISTANT: Sure, can I know your travel dates?

USER: OK, the departure date is 11/10 and the return date is 11/12.

ASSISTANT: Do you have any other additional requirements?

USER: Yes, the price limit is 500 with 1 connection.

ASSISTANT: The flight 1011 of JetBlue airline perfectly matching with your requirement. Shall I book your ticket?

USER: OK, please book the ticket.

ASSISTANT: Can you provide your name for booking the ticket?

USER: Sure, I'am Susan Lee.

ASSISTANT: Your ticket is booked. Thank you.

USER: Thank you for the help.

ASSISTANT: Have a great journey.