You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, may I know your name please?

USER: I am Barbara Adams.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Unfortunately we did not find any reservation on your given name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.