You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: As my tournament got rescheduled, can you help me to cancel my recent reservation?

ASSISTANT: Sure. May I know your name please?

USER: Sure, my name is Samuel Allen.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: We have not found any flight reservation on your given name.

USER: That's ok, thank you.

ASSISTANT: Thanks for choosing us.