You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: May I know your name please?

USER: Brenda Williams here.

ASSISTANT: Sorry, there is no reservation found basis on your details.

USER: No problem, Thank you.

ASSISTANT: Thank you for reaching us.