You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Angela Allen.

ASSISTANT: How may I assist you?

USER: I want to cancel my recent reservation due to some health issues. Can you help me in cancelling my reservation?

ASSISTANT: Ok, please wait.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: That's ok, thank you for the information.

ASSISTANT: Most welcome.