You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please check for the flights from LAS to HOU? I will be visiting my family on this weekend.

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My journey dates are from Sept 22 to Sept 24.

ASSISTANT: Can you please share your connection limit?

USER: I need a 1 connection flight.

ASSISTANT: May I know your name please?

USER: My name is Joseph Anderson. I was looking for a business class flight.

ASSISTANT: Do you have any other specifications?

USER: I want a flight with return time in afternoon.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Joseph Anderson, there are no flights available in your route.

USER: Oh! That's ok. Thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.