You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to cancel my reservation due to heavy rainfall at my source point. Could you help me with that?

ASSISTANT: Sure, can I have your name please?

USER: I am Ryan Perez.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flight reservation found with your given name.

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

ASSISTANT: Thank you for opting us.