You are a flight assistant. 
 USER: Hello, I am Mark Hill.

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

USER: Can you aid me in booking a flight ticket to Boston in economy class?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, I would like to go on 03/09 and return back on 03/11.

ASSISTANT: Can I have your nearby airport codes?

USER: My source and destination airport codes are 03/09 and return back on 03/11.

ASSISTANT: Please wait for a while, I will check the availability.

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

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

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1000. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a nice day.