You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I made a reservation earlier this week to attend my family meeting but due to some issues it got cancelled, so I need to cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, may I know your name please?

USER: I am Larry but my reservation made by this name Jonathan Walker.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your given name.

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

ASSISTANT: Thank you for opting us.