You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to flight booking agency. How can I assist you today?

USER: I want to visit San Francisco-SFO for this weekend for refreshment purpose, so I want to book a ticket from CLT.

ASSISTANT: Sure, can you please share your preferable travel dates?

USER: My travelling dates are 03/11 and return on 03/13.

ASSISTANT: May I know your name to proceed further?

USER: My name is Mark White.

ASSISTANT: Thank you for providing the details. Let me check for the availability of flight on this route.

USER: Ok.

ASSISTANT: Mark, there is a flight available with price fare 100 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: I am ok with the flight details, please proceed for booking.

ASSISTANT: Your booking is confirmed with 1021 flight number.

USER: Thanks for your help.

ASSISTANT: You are welcome. Thank you for choosing our service.