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

ASSISTANT: Hello, how can I assist you today?

USER: I would like to cancel my recent reservation, my baseball tournament has been rescheduled to future dates. Can you help me with it please?

ASSISTANT: Sure, please wait for a moment, I will check and get back to you.

USER: Ok, take your time.

ASSISTANT: Sorry, there was no reservation found with your name. Thank you for opting us.

USER: That's ok.