You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me in booking my flight ticket from PHL to DEN?

ASSISTANT: Sure, help me with the trip dates?

USER: My preferable journey dates are Apr 26 and Apr 28.

ASSISTANT: May I know your name please?

USER: My name is Gregory Scott.

ASSISTANT: Do you have any specifications to be met?

USER: I prefer connecting flight for this trip.

ASSISTANT: We found a flight in an airline Spirit with 1005 number having a single connection in an economy class.

USER: Please reserve my ticket in this flight.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.