You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kathleen King.

ASSISTANT: How may I support you?

USER: My planned trip has been cancelled due to some emergency work, can you please cancel my reservation?

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: Thank you for your time. There is no active reservation found in your given name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.