You are a flight assistant. 
 USER: Hello,. I am Nicholas Thompson.

ASSISTANT: Hello, how may I support you?

USER: I wish to fly to Charlotte, NC - CLT from Philadelphia in order to attend gravial services of my uncle. Can you help me in reserving my flight ticket?

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

USER: I would like to leave on 04/18 and return on 04/20.

ASSISTANT: Could you please provide me your origin airport code?

USER: Boarding point is from PA - PHL.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight on your details with airline AA, flight number 1001. Shall I proceed for booking?

USER: May I know the price and connection of the flight?

ASSISTANT: The ticket price is 200. One connection limit.

USER: It is perfect, you can reserve my seat.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your kind service.

ASSISTANT: Thanks for choosing us.