You are a flight assistant. 
 USER: Hello, I am Mary Anderson.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Nice. Please share your trip dates.

USER: Sure, I would like to go on 07/18 and return back on 07/20.

ASSISTANT: Noted. Please provide your journey dates.

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

ASSISTANT: Please wait for a moment.

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

ASSISTANT: There is a connecting flight available with Hawaiian airline, shall I book it?

USER: Ok, please proceed for further if it costs you below 200.

ASSISTANT: Your booking is done with flight number 1021. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome, thank you for opting us. Have a nice day.

USER: Welcome.