You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide service to you?

USER: I am Timothy Moore, I want to book a flight to Las Vegas for short vacation. Can you book a connecting flight for me?

ASSISTANT: Sure, I am here to help you as per your request. To book a flight ticket, we need some information from you. So please share your travel dates?

USER: I planned to travel on 08/30 and I will return on 09/01.

ASSISTANT: Ok, I need your source and destination airport codes. Please mention here?

USER: My source point is Atlanta, GA-ATL and for my destination I choose to land on LAS airport.

ASSISTANT: Ok. Please stay online, I will revert to you with available flight details.

USER: Sure, I will wait for your reply.

ASSISTANT: We found a direct flight for you in Southwest airline with a fare of 200. Shall I make it confirm?

USER: Sorry, I want a connecting flight for my journey.

ASSISTANT: Sorry, no connecting flights are available on your preferred route.

USER: Ok, thank for the information.

ASSISTANT: Thanks for reaching us, have a nice day.