You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have planned to book a plane ticket from LAS to DTW, can you assist me?

ASSISTANT: Sure, when are you willing to travel?

USER: My preferred dates are Mar 31st and Apr 2nd.

ASSISTANT: May I know your good name please?

USER: Benjamin Williams.

ASSISTANT: Do you have any preferences for this trip?

USER: I need single connection between your trip.

ASSISTANT: We found a flight in an airline Spirit with 1007 number having a single connection in an economy class.

USER: Proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.