Hi.
user
Hello. How may I aid you?
assistant
 Due to some urgent entrepreneurship meeting, I am willing to change my existing reservation. Can you please help me for this?
user
Sure, I am here to help you. Can you please share your name to check your previous reservation status?
assistant
Dennis Hall here.
user
Ok, please give me a moment. Sorry, there is no reservation found on your name in our records.
assistant
No issue, Thank you.
user
Thank you for reaching us.
assistant