You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Amanda Roberts and I want to cancel my recent reservation due to bad weather condition.

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER: Sure, take your own time.

ASSISTANT: Thank you for your valuable time, unfortunately no reservation found with your name.

USER: No issues, thank you for your service.

ASSISTANT: Thank you for availing us.