You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you today?

USER: I am Linda Lewis, I want to book a ticket from Chicago, ORD to Detroit DTW. Can you book a ticket?

ASSISTANT: Sure, Do you prefer any halt in between your journey?

USER: Yes, I prefer a halt.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I want to travel on 02/20 and return on 02/22.

ASSISTANT:   Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time. We found UA airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Ok, please book a ticket.

ASSISTANT:  Your ticket has been confirmed with airline number 1011.

USER: Thank you.

ASSISTANT: Thank you for choosing us.