You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Daniel Williams here.

ASSISTANT: Nice to meet you Daniel Williams.

USER: Due to heavy rainfall at my location, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, please wait for a minute.

USER: Sure, take your time.

ASSISTANT: I could not find any reservation with your name in our database.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: My pleasure.