You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am unable to cancel my recent reservation, can you help me in cancellation?

ASSISTANT: Sure, I can help you.

USER: Thanks.

ASSISTANT: May I know your name?

USER: Steven Collins is my name.

ASSISTANT: Please wait a while.

USER: OK.

ASSISTANT: Thanks for your time. We didn't found any reservation by this name.

USER: Ok, not a problem. Please leave it. Thanks for the response.

ASSISTANT: Thank you for consulting us.