You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Amy Robinson. I have to attend a party in Philadelphia, so will you please help me to book a flight ticket from Austin?

ASSISTANT: May I know your desired travel dates please?

USER: My desired travel dates are Feb 16 and Feb 18.

ASSISTANT: Can I know your desired airport code please?

USER: The source and destination airport codes are AUS and PHL.

ASSISTANT: Please wait a while. May I know your preferred airlines please?

USER: No, I didn't have any airlines preference.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: If this flight is departing in the afternoon time, then only proceed with the ticket booking.

ASSISTANT: Your ticket is booked, flight number 1010 with United Airlines.

USER: Ok, thank you for helping me in booking a flight ticket.

ASSISTANT: Thank you for opting us.

USER: You are welcome.