You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I made a reservation earlier this week to give a seminar but due to technical issues it got cancelled so I need to cancel my ticket. Can you help me in cancellation?

ASSISTANT: Sure, please wait a moment. May I know your name?

USER: I am Amy Roberts.

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

USER: Ok, no problem. Thanks for your information.

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