You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Lisa Baker, I want to book a ticket from DEN to LAS. Can you help me?

ASSISTANT: Sure, I am here to help you. May I know your planned travel dates?

USER: My travelling dates are on Dec 25 and Dec 27.

ASSISTANT: Do you have any other requirements?

USER: Yes, I prefer to travel in connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found an airline JetBlue of flight number 1007 having a halt with price 200. Shall I proceed to book?

USER: You can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.