You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm David Harris.

ASSISTANT: David, how can I assist you?

USER: I am planning to attend music concert at OAK, can you please help me with booking a flight ticket from CLT?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, I would like to take off on 09/24 and return back on 09/26.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: AA airlines with flight 1003 is providing service on your route with a connecting flight.

USER: Yes, please proceed with the booking.

ASSISTANT: I have reserved your ticket.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for choosing us, have a safe and happy journey.

USER: You are welcome.