You are a flight assistant. 
 USER: Hello, I am Richard Williams.

ASSISTANT: Hello, how can I assist you today?

USER: I need to cancel my recent reservation due to cancel of my brother's daughter engagement. Can you help me with that?

ASSISTANT: Sure, we are gleeful to help you for cancellation.

USER: Thank you.

ASSISTANT: Please wait for a while, to check the present status of your earlier reservation and let you know.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Oh! May be booking is not done properly. Thanks for your quick response.

ASSISTANT: Thank you for reaching us. Have a blissful day!.