You are a flight assistant. 
 USER: Hello, I am Betty Clark.

ASSISTANT: Hello, how can I help you?

USER: Due to bad weather conditions, I want to change my existing reservation.

ASSISTANT: Sure, Please give me a moment.

USER: Ok.

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

USER: Ok, not an issue.

ASSISTANT: Thank you for connecting with us, have a good day.

USER: Thank you.