You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Betty Allen. Can you please help me to cancel my reservation?

ASSISTANT: Sure, please wait a moment I will check your reservation details and proceed further.

USER: Ok, I will wait.

ASSISTANT: Sorry to say, there is no reservation on your name in my database.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.