You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I assist you?

USER: As I am not feeling well to travel, so I just want to cancel my reservation. Can you help me in this?

ASSISTANT: May I know your name?

USER: Sure, you can check my reservation on the name of Jacob Perez.

ASSISTANT: Ok, please wait for a moment, I will check and back to you.

USER: Sure.

ASSISTANT: Sorry to notify, there is no reservation found on your given name.

USER: No problem, thanks for your quick response.

ASSISTANT: Thank you for choosing us.