You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donna Allen here.

ASSISTANT: How can I help you today Allen?

USER: Due to heavy rainfall, my dance competition is cancelled. So, please can you cancel my ticket?

ASSISTANT: Ok, let me check for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: It's ok. Anyway, thank you.

ASSISTANT: Donna Allen, thank you for reaching our agency.

USER: Most welcome.

ASSISTANT: Have a nice day.