You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am heading from Phoenix to attend a international conference at Las Vegas. Can you help me book a connecting flight?

ASSISTANT: Sure, can you help me with your journey dates?

USER: I intend to fly on 02/01 and return on 02/03.

ASSISTANT: May I know your airport codes?

USER: They are from PHX to LAS.

ASSISTANT: Can you help me with your name?

USER: Gregory Lee is my name.

ASSISTANT: A flight with price 200 having single connection is found 1014 UA airline. Shall I proceed with it?

USER: Yes please.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for the booking.

ASSISTANT: Thank you for choosing us.