You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: May I know if there is a direct flight from LAS to my home town Phoenix?

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

USER: Ok, please can you book a flight ticket for the dates Jan 8th and 10th?

ASSISTANT: May I know your destination airport code please?

USER: Ok, please book a ticket to my destination which is PHX.

ASSISTANT: Please wait for a moment.

USER: Ok, please book a flight ticket which depart during afternoon.

ASSISTANT: There is a direct flight of fare 200 with the Southwest airline, are you ok with this booking?

USER: Ok, please book.

ASSISTANT: Your booking is done with the flight number 1002.

USER: Thank you for booking the flight ticket.

ASSISTANT: You are welcome, have a safe flight.