You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit Las Vegas in LAS from CLT. Can you find a ticket for me?

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

USER: Sure, my preferable dates are 08/25 to 08/27.

ASSISTANT: May I know your name please?

USER: Yes, I am Anthony Harris. Make sure that the connection limit is 1.

ASSISTANT: I am sorry no flights found as per your requirement.

USER: Ok, no problem.

ASSISTANT: Thank you, have a nice day.

USER: Thank you for your search.