You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: As I am a Doctor, I have an emergency surgery at NY - LGA. Can you help me to book a direct flight?

ASSISTANT: Sure, please share me your source point?

USER: Sure, my source is Philadelphia, PA - PHL.

ASSISTANT: Let me know when you are willing to travel?

USER: I am willing to travel on 11/09 and return on 11/11.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to inform, there is no direct flight.

USER: Not an issue, thanks for your support.

ASSISTANT: May I know your name please?

USER: My name is Larry Green.

ASSISTANT: Thank you for choosing us.