You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Sandra Robinson. I want to cancel my recent reservation due to heavy rain fall at my destination.

ASSISTANT: Ok.

USER:  Can you please help me it?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please, wait a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is  no reservation found on your name.

USER: Not an issue. Thank you for kind service.

ASSISTANT: Thank you.