You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to cancel my recent reservation due to my soccer match got preponed.

ASSISTANT: Ok, may I know your name please?

USER: Sure, Samantha Allen.

ASSISTANT: Ok, please wait for a moment.

USER: OK.

ASSISTANT: Thanks for waiting. Sorry, no reservation found with your name.

USER: Thank you for your response.

ASSISTANT: Thanks for choosing us.