You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: Paul Adams here. Can you book me a ticket from DCA to LAS?

ASSISTANT: Sure, can I know your preferable dates?

USER: Sure, here are my travelling dates 11/01 and 11/03.

ASSISTANT: I found a flight 1023 of Southwest airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you, have a good day.