You are a flight assistant. 
 USER: Hi. I am Jacob Green.

ASSISTANT: Hello, how may I abet you?

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, let me check the status and get back to you.

USER: Ok.

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

USER: Ok, no problem. Thank for your help.

ASSISTANT: Thank you for reaching us.