You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to cancel my recent reservation due to some health issues, can you help me in doing that?

ASSISTANT: Sure, may I know your name?

USER: Williams Phillips here.

ASSISTANT: Please wait for a moment to check your details.

USER: Sure, take your time.

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

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.