You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Daniel Smith. Could you help me in booking a flight ticket from Charlotte to Philadelphia on 08/09?

ASSISTANT: Sure, may I know your source and destination codes?

USER: My source and destination airport codes are NC - CLT, PA - PHL.

ASSISTANT: May I know your return journey date?

USER: I want to return on 08/11.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: AA, flight number: 1005 and price is 100 with a single connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your good service.

ASSISTANT: Thank you for reaching us.