You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I be your helping hand today?

USER: Please book a round trip ticket with Las Vegas, NV-LAS.

ASSISTANT: Sure, I will help you. May I know that when you have planned to travel?

USER: Travel dates are from 11/20 to 11/22.

ASSISTANT: Can I have your name please?

USER: I am William Wright.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connecting flight with a fare of 100 in 1005 flight number. Shall I proceed?

USER: Please do not book connecting flight.

ASSISTANT: Ok. Thank you for choosing us.

USER: Thanks.