You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you for the day?

USER: Please cancel my reservation, which is reserved earlier in the name of Stephen Moore.

ASSISTANT: Sure, we will help you in cancellation. Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: We are sorry to inform you that, there is no reservation found with your name.

USER: Ok, not a problem, May be I reserved with some other airline.

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

USER: Thank you for assisting me.