Hello.
user
Hello, how may I aid you?
assistant
I am Gregory Rodriguez. I want to change my existing reservation, can you please help me with this?
user
Sure, I am here to help you out with that. Please give me a moment to check your reservation status.
assistant
Sure, take your time.
user
Sorry, there is no reservation with your name in our records.
assistant
Ok, no problem. Thank you for your time.
user
Thank you for reaching us.
assistant