You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I planned to attend for a meeting in AUS, can you please help me to book a flight ticket from BOS?

ASSISTANT: Sure, may I know your planned trip dates?

USER: I planned to travel on Jan 24 and Jan 26.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Can you please share your arrival and depart timings?

USER: I would like to depart in evening and return back in morning.

ASSISTANT: Is there any airline preference?

USER: Yes, I prefer to travel in a normal cost airline.

ASSISTANT: Do you have any other specifications?

USER: No.

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

USER: I am John Young.

ASSISTANT: Sorry, there are no flights found on your specified routes.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.