You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Larry Lewis here.Want to travel TX - IAH for cousin's wedding. Can you book me a flight ticket from NV - LAS?

ASSISTANT: Sure, please tell your origin location and the travelling dates?

USER: My travelling dates are 05/02 and 05/04.

ASSISTANT: May I know your name please?

USER: Book a ticket on my name that is Larry Lewis which I have mentioned you before.

ASSISTANT: There is a flight available with 2 connection of flight.

USER: No, don't book it for me I want a flight with 1 connection limit.

ASSISTANT: Sorry, there is no flight.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you and have a nice day.