You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, May I know what kind of service you are looking for?

USER: Can you please change my reservation, due to bad weather conditions?

ASSISTANT: Sure, I am here to help you out with that.

USER: Thank you.

ASSISTANT: May I know your good name please to track the details?

USER: My name is Anna Carter.

ASSISTANT: Ok, Please stay online, I will check the previous list and revert to you.

USER: Sure.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thanks for choosing us, wish you a great day.