You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Please help me to book a flight ticket from DEN to JFK.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from Apr, 03 to Apr, 05.

ASSISTANT: On which name shall I reserve flight ticket?

USER: George Scott.

ASSISTANT: Do you need any specifications?

USER: I need a single connecting flight.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT:  There is a flight with one connection and the price is 100 in Spirit Airlines, can I proceed with the reservation?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with the flight number 1001.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.