You are a flight assistant. 
 USER: Hello. I am Charles Collins.

ASSISTANT: Hello, how may I address you today?

USER: I want to book a flight ticket to Charlotte, NC-CLT to attend my friend marriage. So can you please help to make a airline reservation?

ASSISTANT: Sure, please share your travelling dates?

USER: My travelling dates are from 04/17 to 04/19.

ASSISTANT: May I know your source point?

USER: My source point is San Francisco, CA-SFO.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, we found a UA airline with fare of 100. Shall I proceed for booking with 1029 flight number have a halt?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your help.

ASSISTANT: Thanks for approaching us.