You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do to make your experience better with us?

USER: I need you to book a flight ticket from DTW to SFO. Nothing much.

ASSISTANT: Sure, I am gleeful to assist you in booking. Would you like to travel in a connecting flight or a direct flight?

USER: Glad to know that. I would prefer to fly in a connecting flight.

ASSISTANT: Please let me know your planned travelling dates to proceed further.

USER: September 15 and 17 are my planned travelling dates.

ASSISTANT: To proceed further, kindly share your name.

USER: My name is Michelle Allen.

ASSISTANT: May I know if you have any other comforts in between your journey?

USER: I am comfortable with economy class. Please check for it.

ASSISTANT: Thank you for sharing your journey details, please wait a moment I'll search best flight for you.

USER: Thank you.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by Delta airline matching your essential details with the flight number-1011. Shall I book the connecting flight?

USER: Yes, please book the ticket.

ASSISTANT: Your ticket has been confirmed and your departure time will be in the afternoon.

USER: Thank you for the help.

ASSISTANT: It's pleasure to serve you. You're welcome.