You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be of your assistance?

USER: I am Debra Garcia. I need to cancel my recent reservation, as my exam scheduled has been cancelled. Please help me in cancelling?

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to inform that there is no reservation found with your name.

USER: Ok, no worries. Thanks for your service.

ASSISTANT: Thanks for availing us.