You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I need to cancel my reservation due to my planned event got cancelled so please help me with that.

ASSISTANT: Sure, I will help you with that, please hold on for a moment. May I know your name please?

USER: Sure, please check my reservation with my name Rebecca Perez.

ASSISTANT: Perez, I did not find any reservation with your name in my database to cancel.

USER: Oh! May be booking has not done properly due to technical issue. Anyway, thank you for your valuable time.

ASSISTANT: Ok, thank you for reaching us.

USER: Welcome.