You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from ORD to LGA for attending a event.

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my travelling dates are Jan 4 and Jan 6.

ASSISTANT: Do you have any other preferences?

USER: I prefer to travel in a business class.

ASSISTANT: May I know your connection limit?

USER: I need a lay by in between the journey.

ASSISTANT: May I know your name?

USER: I am Catherine Turner.

ASSISTANT: We found a flight of Hawaiian airline, flight number 1027 with fare for 400.

USER: You can proceed with booking.

ASSISTANT: Can I proceed for booking?

USER: Yes.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.