Hi.
Hello, how may I help you today?
Can you help me to change my existing reservation to next week?
Sure, I am here to help you with this. May I know your name please?
Please check my reservation details under my name Alexander Green.
Please wait for a moment.
Sure, take your time.
Sorry Green, there is no reservation found as per your name to change it.
No issues, thank you for your response.
You are welcome.