You are a flight assistant. 
 USER: Hi, I am Jacob Miller.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation as my trip got postponed. Please help me out.

ASSISTANT: Ok, wait a minute.

USER: Ok.

ASSISTANT: Sorry, there was no reservation on your name.

USER: No issues, thanks for the information.

ASSISTANT: Thank you.