You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

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

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

USER: I am Cynthia Hall.

ASSISTANT: Ok. Sorry to inform, no reservation found with your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thanks for reaching us.