You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for the day?

USER: I am planning to visit the Wizard world of Harry Potter at Orlando, MCO. So can you please book a flight ticket from BOS?

ASSISTANT: Sure, may I know your travelling dates, please?

USER: My journey dates are from Dec 29 to Dec 31.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I am ok with any time.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am comfortable with both.

ASSISTANT: Do you have any airline preference?

USER: I prefer to travel in normal cost airlines.

ASSISTANT: May I know your name please?

USER: Myself Dorothy Smith.

ASSISTANT: There is a connecting flight-1027 in United Airlines with a fare of 300. Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your booking is done in economy class, the depart time is 3:00 AM and return time is 17:00 PM.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.