You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Edward Young here. I would like to cancel my recent reservation, my baseball tournament has been rescheduled to future dates.

ASSISTANT: Yes, I can help you. Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us.