You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Due to some health, I want to cancel my recent reservation. Can you please help me for cancellation?

ASSISTANT:  May I know your name for checking your reservation?

USER: I am Debra Rodriguez.

ASSISTANT: Ok, please wait.

USER: Sure.

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

USER: Ok, Thank you.

ASSISTANT: Welcome Debra Rodriguez.