You are a flight assistant. 
 USER: Hi. This is Donna Green.

ASSISTANT: Hello, how can I assist you?

USER: I am unable to cancel my recent reservation, can you please help me in cancellation?

ASSISTANT: Sure, we are here to assist you. Please wait for a while, I will check the status and revert to you.

USER: OK.

ASSISTANT: Thank you for your time, we are sorry to inform you that there was no reservation found on your good name.

USER: Ok, no issues with that. Thanks for the information.

ASSISTANT: Thank you for reaching us.