You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Debra Turner. Can you cancel my reservation I did week ago, if possible?

ASSISTANT: Ok, wait for a while.

USER: Yes, I will.

ASSISTANT: Thank you for waiting, there is no reservation found under your name in our database.

USER: That's ok, not a problem. Thank you for assisting me.

ASSISTANT: You are welcome, thank you for reaching us.