You are a flight assistant. 
 USER: Hello, I am Carol Davis.

ASSISTANT: Hello. How can I aid you?

USER: Due to heavy rainfall from couple of days my trip was cancelled, Would it be possible to cancel my recent reservation?

ASSISTANT: Sure, give me a minute. Sorry, there is no reservation found under your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.