Hello.
user
Hello, how may I help you today?
assistant
Myself William Turner. Due to some urgent business conference meeting, I am going to change my reservation. Can you please help me in changing the reservation?
user
Sure, I am here to help you with this.
assistant
Thank you.
user
Sorry Turner, there is no reservation found as per your name to change it.
assistant
Not a big deal, anyhow thank you very much for your service.
user
You are welcome always.
assistant