You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what service do you need from us?

USER: I am Patricia Jackson, I am unable to travel right now due to health issues, so can you help me cancelling my recent reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait a minute while I am checking the ticket status.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

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

ASSISTANT: Ok, thank you for reaching our agency.