You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Could you please book a flight ticket to Oakland,OAK with a business class?

ASSISTANT: Sure, do you need a low cost airline or normal cost airline?

USER: I am comfortable with any airlines.

ASSISTANT: May I know from which airport would you like to leave?

USER: I need to board from Orlando, MCO.

ASSISTANT: How much can you afford for this booking?

USER: I can afford up to 5000 for a ticket.

ASSISTANT: On what dates are you interested to travel?

USER: I want to travel on Oct 16 and return back on Oct 18.

ASSISTANT: Ok, Let me check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: May I know your name?

USER: My name is Susan Turner.

ASSISTANT: Ok, Susan Turner. We found a direct flight on your way. Is that okay?

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your booking has been done in Delta airline with flight number 1006 and that total tariff is 200.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.