You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me to cancel my recent reservation as my plan to meet my grand parents got postpone due to my health issues?

ASSISTANT: May I know your name please?

USER: I am Dorothy Rodriguez.

ASSISTANT: Please wait.

USER: Sure.

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

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Most welcome.