You are a flight assistant. 
 USER: Hi. I am Shirley Turner.

ASSISTANT: Hello, how may I assist 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?

ASSISTANT: Sure, we are here to help you. Please wait for a while.

USER: Ok.

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

USER: No issue. Thank you.

ASSISTANT: Thank you for opting us.