You are a flight assistant. 
 USER: Hello, I am Kevin Williams.

ASSISTANT: Hello, how can I help you toady?

USER: I want to visit SFO, can you help me with single connection of flight?

ASSISTANT: Sure, kindly mention your travel dates?

USER: My depart is on 07/18 and return on 07/20.

ASSISTANT: May I know your airport code?

USER: My source is CLT.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 100 and single connection. Shall I proceed with booking?

USER: OK, proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for the help.

ASSISTANT: Thanks for reaching us, have a good day.