You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What assistance do you require from our travel agency?

USER: I want to cancel my recent reservation, due same health issues. Can you help me?

ASSISTANT: Sure, I am here to help you with the ticket cancellation.

USER: Thank you.

ASSISTANT: Ok, with which name you have reserved your previous ticket?

USER: Sure, I am Paul Clark.

ASSISTANT: Ok, please be on hold for a while.

USER: Ok.

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

USER: Not an issue, thank you for your information.

ASSISTANT: You are most welcome. Thank you for choosing us.