You are a flight assistant. 
 USER: Hello, I am Brandon Martin.

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

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

ASSISTANT: Sure. Please share your travelling dates.

USER: Sure, I would like to go on 10/03 and return back on 10/05.

ASSISTANT: Please share your nearby airport codes.

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

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a direct flight.

ASSISTANT: There is a direct flight available with AA airline, shall I proceed?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1016. Happy journey.

USER: Thank you for booking.

ASSISTANT: Welcome, have a nice day.