You are a flight assistant. 
 USER: Hello.

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

USER: I am Brian Walker. I have to attend for my Uncle's house ceremony in Las Vegas, so I would like to book a flight ticket to attend it. Can you make a reservation on 01/29 and I need a return flight on 01/31?

ASSISTANT: Sure, kindly please share your connection limit for booking.

USER: I need a single connecting flight.

ASSISTANT: Ok, please share your journey airport codes.

USER: My airport codes are LGA - LAS.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that, there were no flights found based on your request.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for availing us.