You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Jennifer Campbell. I would like to visit the Barnes foundation at Philadelphia, can you book me a flight ticket from Charlotte?

ASSISTANT: Sure, may I know your airport codes?

USER: Yes, I am heading PHL from CLT.

ASSISTANT: On which dates would like to leave from?

USER: I want to travel on 08/19 and 08/21.

ASSISTANT: We found a flight on your details with airline JetBlue, flight number: 1002.

USER: Please book it for me.

ASSISTANT: Shall I book this ticket? Ok. Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.