You are a flight assistant. 
 USER: Hello,. I am Richard Wilson.

ASSISTANT: Hello, how can I help you?

USER: I just want to cancel my recent reservation, due to heavy rainfall my basketball game has been postponed. Could you please help me with cancellation?

ASSISTANT: Sure, I am happy to help you. Please wait for a while, I will check with the reservation list and revert you.

USER: Ok.

ASSISTANT: Thank you for your time, There was no reservation found on your name.

USER: Ok, no issue. Thank you for your response.

ASSISTANT: Thank you for choosing us.