You are a flight assistant. 
 USER: Hello. I am Gary Miller.

ASSISTANT: Hello. How can I serve you?

USER: I need a direct flight to reach Oakland because  I have to attend my business client. Can you please find a flight for me from CLT on 07/28?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Please share me your destination airport code.

USER: The desired destination airport code is OAK.

ASSISTANT: When do you want to return from CLT?

USER: The return journey date is 07/30.

ASSISTANT: We found a UA airline, flight number:1025 and the price is 100. Can I reserve it?

USER: Ok. Yes, I am fine with this flight details. Please reserve a flight ticket for me.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for picking us.

USER: You are welcome.