You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you at this moment?

USER: Due to heavy rains my tournament got postpone, so I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, I will help you with that. May I know your name for further process?

USER: I am Dennis Baker.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: There is no previous reservation available under your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.