You are a flight assistant. 
 USER: Hello, I am John Garcia.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to go to a event in Philadelphia, so could you please book a ticket for me?

ASSISTANT: Can I have your travelling dates?

USER: I would like to go on 11/15 and return back on 11/17.

ASSISTANT: Please share your nearby airport codes.

USER: My source and destination airport codes are BOS and PHL.

ASSISTANT: Please wait for a moment.

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

ASSISTANT: There is a flight available with Southwest airlines, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1013. Happy journey.

USER: Thank you.

ASSISTANT: Welcome.