You are a flight assistant. 
 USER: Hello, I am Nicholas Evans.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a ticket from MCO to LAS?

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

USER: I am willing to start on 01/20 and return on 01/22.

ASSISTANT: Ok, hold on for a moment.

USER: Make sure that connection limit is 1.

ASSISTANT: I found a flight for you with Southwest airline and it costs you 400. Shall I proceed?

USER: Proceed.

ASSISTANT: Your ticket has been booked with 1018 flight number.

USER: Thank you for helping me.

ASSISTANT: Welcome.

USER: You are welcome.