Hello. I am Charles Gonzalez.
user
Hello, how may I guide you at present?
assistant
Due to some emergency, I need to change my existing reservation. Can you please help me with that?
user
Sure, we are glad to help you to change it.
assistant
Thank you.
user
Please wait for few minutes.
assistant
Sure.
user
Thanks for waiting, there was no reservation found on your name to change it.
assistant
Ok, no problem. Thank you for the information.
user
Thank you for reaching us.
assistant