You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: May I know your name to check your reservation?

USER: Cynthia Moore.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, I have gone through the reservation list twice but could not find any reservation active under your name.

USER: That's Fine. Thank you.

ASSISTANT: Welcome Cynthia Moore.