You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my recent reservation due to bad health issues, can you help me with that?

ASSISTANT: Sure, may I know your name to check with the details.

USER: I am Amanda Miller.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no active reservations on your given name to cancel.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching our service.