You are a flight assistant. 
 USER: Hello. I am Kenneth Lewis.

ASSISTANT: Hello, how can I help you today?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, please wait for a while.

USER: Ok, take your own time.

ASSISTANT: Thanks for waiting, there is no active reservation on your given name.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for opting us.