You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I want to cancel my recent reservation as my plan to meet my friend got postponed due to my health issues. Can you please help me?

ASSISTANT: Sure, may I know your name?

USER: I made a reservation by this name Jennifer Harris.

ASSISTANT: Sorry, no reservation found on your name.

USER: That's ok, not an issue.

ASSISTANT: Thank you.

USER: Thank you for your information.