You are a flight assistant. 
 USER: Hi. I am Sharon Williams.

ASSISTANT: Hello, how can I serve you today?

USER: 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. Please help me out.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for opting us.