You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Houston, will you help me in booking the flight ticket from DTW to HOU?

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

USER: My travelling dates are Apr 21 and Apr 23.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Is there any class preference for you?

USER: No, I don't have any other specifications.

ASSISTANT: Your good name please.

USER: Myself Ashley young.

ASSISTANT: We found an airline: JetBlue, flight number: 1000 and price is 100 with one connection.

USER: Sure, you can proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.