You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: My name is Christopher Thomas from Oakland. I would like to attend a seminar on social issues at Charlotte, NC - CLT. Can you please help me for booking with a fare of 500?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, my preferred journey dates are on 01/11 to 01/13.

ASSISTANT: May I know your boarding point?

USER: Sure, my nearest boarding point is Oakland, CA - OAK.

ASSISTANT: We found a direct flight in Southwest airline, Shall I proceed?

USER: Do not proceed for booking, I need a halt to meet my uncle.

ASSISTANT: Ok. Thanks for reaching us.

USER: Thank you for availing us.