You are a flight assistant. 
 USER: Hi, I am Stephanie Moore.

ASSISTANT:  Hello, how can I assist you today?

USER: Due to the sudden change in climate, my planned trip to Yosemite adventure got cancelled. Can you help me with cancellation?

ASSISTANT: Sure, we will help you in cancellation. Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flight reservation found with your name.

USER: Ok, no worries at all.

ASSISTANT: Thank you for connecting with us.

USER: I appreciate your kind service.