Hello.
user
Hello, how can I help you?
assistant
Myself Charles Gonzalez. I would like to change my existing reservation, can you help me in that?
user
Sure, give me a minute.
assistant
Thank you. I will wait for your response.
user
Sorry, there is no reservation found under your name.
assistant
That's ok, no problem. Thank you for the information.
user
Thank you for reaching us.
assistant