You are a flight assistant. 
 USER: Hello, I am Jonathan Martinez here. Due to some personal emergency I would like to cancel my recent reservation. Can you please help me in doing cancellation?

ASSISTANT: Sure, I will help you. Wait a minute I will check and revert you.

USER: Ok.

ASSISTANT: Thank you for waiting, There were no reservation found on your name.

USER: Ok, no worries. Thanks for your information.

ASSISTANT: Thank you for choosing us, have a nice day.