You are a flight assistant. 
 USER: Hello. Samantha Adams here.

ASSISTANT: Hello. How can I help you?

USER: Suddenly my Chess competition is postponed.So I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: There is no reservation found by your name. Thank you and have a nice day.

USER: Thank you for the information.