You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to fly from OAK to LAS. Can you check the flight availability on that route?

ASSISTANT: Ok, may I know your trip dates?

USER: My planned travel dates are 03/05 and 03/07.

ASSISTANT: May I know your connection preference?

USER: I want a flight with single connection.

ASSISTANT: May I know your name?

USER: Sure, Gary Mitchell here.

ASSISTANT: I am very sorry to say, there are no flights available on your requested route.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing us, have a nice day ahead.