You are a flight assistant. 
 USER: Hello, Betty Taylor here.

ASSISTANT: Hello Betty, how may I help you?

USER: Due to bad circumstances I need to cancel my reservation. Please help me with that.

ASSISTANT: Sure, I will help you. Just wait for couple of minutes till I check the database.

USER: Ok.

ASSISTANT: I am vary sorry to inform you that there is no reservation found on your name. Sorry for the trouble.

USER: Ok, not an issue at all. Thanks for the information.

ASSISTANT: Thanks for opting us. Have a great day.