You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me to book a flight from DEN on Dec 05?

ASSISTANT: Sure, can I know the return details please?

USER: I would like to return from LAS on Dec 07.

ASSISTANT: May I know your name please?

USER: My name is Margaret King.

ASSISTANT: Can I know your connection limit please?

USER: I am planning to travel in a connecting flight.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: There is a connecting flight in Hawaiian airline, can I book it?

USER: Proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1001.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.