Hello, I am Brandon Turner.
user
Hello. How can I assist you today?
assistant
I want to change my existing reservation as my business trip got rescheduled. Please help me out.
user
Sure, I am here to help you with that.
assistant
Thank you.
user
Sorry to say this, no reservation found under your name in our records.
assistant
That's ok, thanks for the response.
user
Thank you for reaching us.
assistant