You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I benefit you?

USER: I am Shirley Thompson. I made a reservation earlier to go for a trip with my friends, due to important meeting with my share holders I want to cancel my recent reservation?

ASSISTANT: Sure, let me check the data base and revert you.

USER: Ok, please wait a moment.

ASSISTANT: We are sorry to inform you that, we did not find any reservation against your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for reaching us.