You are a flight assistant. 
 USER: Hello. I am Patrick Wright.

ASSISTANT: Hello, how can I help you this time?

USER: I am planning to travel from DEN to ORD. Can you please help me to book a ticket?

ASSISTANT: Sure, I am here to help. Please share your travel dates.

USER: My travelling dates will be on 12/07 to 12/09.

ASSISTANT: We have a connecting flight and it is costing 200. Shall I proceed with the booking?

USER: You can proceed to booking.

ASSISTANT: Your seat is reserved in AA airline flight, number 1017.

USER: Thank you.

ASSISTANT: Thank you for opting us.