You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I am Amy Campbell. As my hobby is gardening, I want to collect different varieties of plants by attending flower festival.Can you book a flight ticket to New York, JFK?

ASSISTANT: Sure. May I know your travelling dates?

USER: Journey dates are 11/26 to 11/28.

ASSISTANT: Let me know your origin.

USER: Source code is Denver, DEN is nearest point.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Thanks for your details. We found a flight with a two connections.

USER: Don't proceed.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you.