Hi.
user
Hello. How may I help you?
assistant
Donald Martinez here, can you help me for changing an existing reservation?
user
Sure, I am here to help you. Please wait for a minute to check your details.
assistant
Ok, I will wait for your response.
user
Sorry, there is no reservation found on your name in my database.
assistant
Oh! It's ok, no problem.
user
Would you like to know anything else?
assistant
No, thank you for your services.
user
Thank you for reaching us, have a nice day.
assistant