You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I need to cancel my recent reservation. Please help me in that.

ASSISTANT: Sure, may I know your name?

USER: Stephen Hill.

ASSISTANT: Give me a minute for checking.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.