You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Please can you help me with the cancellation of my reservation?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Ok, please check for the name Stephanie Martin.

ASSISTANT: Stephanie Martin, I am sorry to inform you that there is no booking done on your name to cancel.

USER: That's ok, thank you for the informatiom.

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