You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, What can I do for you?

USER: I am Gregory Wright. 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, please wait a minute.

USER: Ok.

ASSISTANT: Unfortunately we didn't found any reservation matching your name.

USER: No issue. Thank you.

ASSISTANT: Thank you for picking us.