You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Your travelling dates please?

USER: My trip dates will be Dec 27th to Dec 29th.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: There is a flight with single connection in Spirit airlines, can I proceed for booking in 1000 flight?

USER: You can proceed.

ASSISTANT: On which name can I proceed for booking?

USER: I am Gregory Hill.

ASSISTANT: Your booking is done in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.