You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you please cancel my ticket?

ASSISTANT: May I have your name please?

USER: I am Sandra Phillips, due to heavy rainfall, I am planning to cancel.

ASSISTANT: Thanks for your name.

USER: Ok.

ASSISTANT: We found that there was no reservation with your name.

USER: Ok.

ASSISTANT: Thank you for approaching us.

USER: Thanks for the quick response.

ASSISTANT: Have a good day.