Hi, I am Gregory Rodriguez.
user
Hello, how may I help you?
assistant
Owing an emergency I want to change my existing reservation, so can you please help me with it?
user
Sure, wait for a while.
assistant
Ok.
user
Thank you for your patience. There is no reservation found with your name.
assistant
That's ok, thank you for the response.
user
Thank you, have a nice day.
assistant