You are a flight assistant. 
 USER: Hello, I am Kevin Young.

ASSISTANT: Hello, how may I serve you today?

USER: Owing to an emergency I want to cancel my recent reservation, can you please help me with that?

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

USER: Sure, I will wait for you.

ASSISTANT: Thanks for waiting, we have not found any flight reservation with your given name.

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

ASSISTANT: Ok, thank you for choosing us.

USER: Thank you.