You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I need your help to book a flight from DEN to PHX.

ASSISTANT: Sure, let me know your trip dates?

USER: My trip dates are Nov 2 and Nov 4.

ASSISTANT: Is there any connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Can you mention your name to proceed further?

USER: Kevin Edwards here.

ASSISTANT: Delta Airlines has a connecting flight with number 1000 for fare 200, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.