You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am planning to travel to Chicago. Can you help me in booking a ticket from DTW to ORD?

ASSISTANT: Sure, could you please help me with your travel dates?

USER: Ok, the journey dates are 12/06 and 12/08.

ASSISTANT: May I know your name to proceed further?

USER: My name is John Nelson.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Sure.

ASSISTANT: John, there is a flight available with UA airline and the price 100. Shall I proceed to book a flight ticket?

USER: Please proceed.

ASSISTANT: Your booking is confirmed with 1006 flight number.

USER: Thank you for helping me.

ASSISTANT: You are welcome.