You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Virginia Nelson, I am unable to travel at this moment due to health issues, so can you help me for cancelling my recent reservation?

ASSISTANT: Ok, please wait I can check and let you know.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, Virginia Nelson. No reservation found on your name to cancel.

USER: Oh! It's ok, no problem thank you for your services.

ASSISTANT: Most welcome.