You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a flight from DEN to ORD. Can you help me with booking?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I will travel on Dec 16 and return on Dec 18.

ASSISTANT: Can you please share your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Elizabeth Hill.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Hawaiian airlines is providing connecting flight for you with the fare of 100 in economy class, shall I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1002.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.