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