You are a flight assistant. 
 USER: Hello, I am Jonathan Wilson.

ASSISTANT: Hello Wilson, how may I aid you?

USER: I need a direct flight to Las Vegas, can you help me with the booking?

ASSISTANT: Please, share your location airport codes?

USER: My source is at DEN and destination is at LAS.

ASSISTANT: Ok, can I know your travel dates?

USER: I want to travel on 08/13 and return on 08/15.

ASSISTANT: Please, wait a moment.

USER: Ok.

ASSISTANT: Sorry Wilson, here no flight is available with 0 connection limit.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.