You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Williams.

ASSISTANT: Richard Williams. How can I help you?

USER: can you please help me in booking my flight ticket from JFK to DTW?

ASSISTANT: May I know the travel dates?

USER: My travelling dates are Oct 17 and Oct 19.

ASSISTANT: Is there any time concern?

USER: I need business class ticket.

ASSISTANT: May I know the connection limit?

USER: I need connecting flight.

ASSISTANT: Is there any airline preference?

USER: No, but I want my return ticket at evening time.

ASSISTANT: Give me a minute.

USER: Ok, sure.

ASSISTANT:  Frontier Airlines with flight 1003 is providing service on your route with single connection and cost of 100 where depart time is 5:00 AM and return time is 20:00 PM.

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.