You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: I am Catherine Jackson. I have to go to San Francisco, can you please help me to book a flight ticket?

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are 10/14 and 10/16.

ASSISTANT: May I know your airport codes please?

USER: The preferred airport codes are PHX and SFO.

ASSISTANT: There is a flight with single connection, can I proceed for booking in 1013 flight it costs you 100?

USER: That's fine, please proceed with the ticket booking.

ASSISTANT: Your booking is done in Southwest airlines.

USER: Thank you for your help in booking a flight ticket.

ASSISTANT: Thank you for choosing us.