You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Frank Hall. I am planning to visit a new place in San Francisco. Can you please book a ticket for me?

ASSISTANT: Sure, may I know your airport codes?

USER: My nearest  source airport is DFW and destination airport code is SFO.

ASSISTANT: Ok, may I know your travelling dates?

USER: I would like to travel on 08/18 and return back on 08/20.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: The Southwest airline with flight number 1013 is available having price as 100 and connection as 1. Shall I proceed booking?

USER: Yes, you can proceed the booking.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.