You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: Can you please help me in reserving the ticket from JFK to AUS?

ASSISTANT: Sure, do you prefer a direct or connecting flight?

USER: I am comfort to travel in single connection flight.

ASSISTANT: Do you have any class preference?

USER: No, I don't have any class preference regarding my journey.

ASSISTANT: Kindly mention your travel dates.

USER: I am planning my trip on Sept 17 and again I will return back on Sept 19.

ASSISTANT: Are there any more specifications?

USER: No.

ASSISTANT: May I know your good name to proceed further?

USER: Myself Alexander Martin.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Not a big problem, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for reaching us.