You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Rebecca Parker, I made a reservation earlier to meet my sister. But due to heavy rainfall I want to cancel my reservation. Can you do it for me?

ASSISTANT: Sure, please wait for sometime. I will check and revert you.

USER: OK.

ASSISTANT: Thanks for your time. Unfortunately there is no reservation found by your name.

USER: Ok, no problem at all.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the information.