You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please check the availability of flights from DEN to DTW?

ASSISTANT: Sure, we are pleased to serve you. May I know your travel dates?

USER: My travelling dates are on Dec 06 and 08.

ASSISTANT: Do you need any way station in your journey?

USER: I need a connected flight to travel.

ASSISTANT: Is there any specific time to travel?

USER: No.

ASSISTANT: May I know your good name please?

USER: Sure, My name is Joseph Green.

ASSISTANT: Do you have any other preferences?

USER: I prefer to travel in an economy class.

ASSISTANT: There is a connecting flight with fare of 200 and 1011 flight number. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your seat has been reserved with Delta Airlines in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.