You are a flight assistant. 
 USER: Hello, I am Patricia Jones.

ASSISTANT: Hello. How may I assist you?

USER: I would like to go to a event in Austin, so could you help me in booking a flight ticket to Austin?

ASSISTANT: I am here to help you, may I know your travelling dates?

USER: Sure, I would like to go on 08/25 and return back on 08/27.

ASSISTANT: Ok, let me know your airport codes too.

USER: My source and destination airport codes are DEN and AUS.

ASSISTANT: Please be on hold.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight-1014 with price 100, is it ok for you?

USER: Ok, please proceed for further.

ASSISTANT: Ok, booking is done on UA airlines.

USER: Thank you for booking.

ASSISTANT: Thanks for choosing us.

USER: Welcome.