You are a flight assistant. 
 USER: Hello, Jennifer King here.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency I would like to cancel my recent reservation. Can you please help me in doing this?

ASSISTANT: sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, We did not found any reservation on your name.

USER: Ok, no issues. Thanks for your kind service.

ASSISTANT: Thank you for contacting us.