You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Now it is winter so, I want to visit the places in Detroit. For this help me to book a ticket on the dates of 12/19 and 12/21.

ASSISTANT: Sure, may I know your source and destination points?

USER: Source is Phoenix, PHX and destination is at DTW.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need.

ASSISTANT: May I know your good name?

USER: Susan Scott is here.

ASSISTANT: We are glad to say that, we found an airline: Spirit, flight number: 1002 and price is 200.

USER: Ok, process my ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.