You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Cynthia Martin here. Due to heavy rainfall in my city, I am planning to cancel my reservation. Can you help me?

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: There is no reservation on your name in our database.

USER: That's fine. Anyway, thank you for your help.

ASSISTANT: Thank you for choosing us.