You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I want to cancel my recent reservation as my plan to meet my grand parents got postpone due to my health issues. Can you help me with this?

ASSISTANT: Sure, may I know your name to proceed further?

USER: I am Jacob Robinson.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your given name in our portal to cancel it.

USER: No issues, Thank you for your information.

ASSISTANT: Thank you for reaching us.