You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I have to purchase plane ticket from ATL to DTW, can you help in booking my ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I have planned my trip on Jan 27th and return on 29th Jan.

ASSISTANT: May I know your connection limit?

USER: I need one connection between my journey.

ASSISTANT: Is there any class preference for you?

USER: No, you can proceed.

ASSISTANT: Your good name please.

USER: Donna hall.

ASSISTANT: We found a direct airline: Southwest, flight number: 1004 and price is 100.

USER: Ok, proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.