You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Due to heavy rains, my tournament got cancelled, so I need to cancel my ticket. Can you help me?

ASSISTANT: Sure, may I know your name please?

USER: I am Thomas Allen.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there was no reservation found with your given name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for opting us.