You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Katherine Evans, want to travel from SEA to LAS. Can you please help me in ticket booking?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My trip dates are from 12/08 to 12/10.

ASSISTANT: Please wait for a while.

USER: Sure, take4 your time.

ASSISTANT: Thanks for waiting and there is a flight available in Delta airlines and it is a direct flight. Do you want to proceed with the booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked with the flight number 1029.

USER: Thank you so much.

ASSISTANT: Most welcome.