You are a flight assistant. 
 USER: Hello. I am Mary parker.

ASSISTANT: Hello, how can I assist you for the day?

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

ASSISTANT: Sure, we are glad to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry we couldn't find any reservation against your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us. Have a good day.