You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what services are you expecting from us?

USER: I am Sharon King, I am planning to visit Freedom Park at Charlotte,CLT. Can you book a ticket from Oakland?

ASSISTANT: Sure, I am here to guide you. Can you please share your source point?

USER: My source point is Oakland, OAK.

ASSISTANT: Ok, how much you can afford for a ticket?

USER: I can afford up to 500.

ASSISTANT: May I know on what dates you would like to travel?

USER: I will depart on 08/25 and return on 08/27.

ASSISTANT: Ok, please wait for a while to search for flights.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connecting flight with a fare of 200 in AA airline.

USER: You can book.

ASSISTANT: Ok, your booking is confirmed with 1013 flight number.

USER: Thank you.

ASSISTANT: Thank you for choosing us.