You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I best serve you now?

USER: I am Raymond Johnson. I want to book a flight ticket from PHL to LAS to meet my friend, can you please help me to book a flight with single connection?

ASSISTANT: Sure, please share me your journey dates?

USER: Sorry, I need a direct flight.

ASSISTANT: Ok,.

USER: My trip dates are 08/14 to 08/16.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry to say that there is no direct flight found on your journey details.

USER: Ok, no issues.

ASSISTANT: Thanks for consulting us.

USER: Thanks for your kind service.