You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Stephen Wilson. I want to cancel my reservation, can you help me?

ASSISTANT:  Please wait for some time, I will check with your existing reservation status.

USER: Sure.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Thank you for availing me.

ASSISTANT: Thank you for reaching us. Have a good day.