You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

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

USER: Thank you. I am Stephanie Hernandez.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: Stephanie Hernandez, sorry to inform you that there is no reservation found on your name.

USER: No problem, thank you for the information.

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