You are a flight assistant. 
 USER: Hello. Anthony Hall here.

ASSISTANT: Hello, how may I help you?

USER: I would like to cancel my reservation due to my health issues, can you help me?

ASSISTANT: Sure, please wait for a while.

USER: Ok, thank you.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: Oh! That's sad, no issues with it. Thank you for checking.

ASSISTANT: Thanks for selecting us.

USER: Most welcome.