You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: Nicholas White here. Can you book a ticket from PHX  to DCA?

ASSISTANT: Sure, can I know your preferable dates?

USER: Ok, here are my travel dates 11/12 and 11/14.

ASSISTANT: I found a flight 1002 of Southwest airlines matches with your preferences, can I proceed?

USER: Please book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you, have a safe flight.