Hello.
user
Hello, how may I assist you today?
assistant
I am willing to change my reservation due to some emergency issues, so please help me in this.
user
Sure, I am here to help you to change it.
assistant
Thank you for that.
user
May I know your name, to check with your previous reservation?
assistant
Sure, I am Timothy Gonzalez.
user
Ok, please wait for a couple of minutes.
assistant
Sure.
user
Sorry to inform you that, there was no reservation found on your name to change it.
assistant
Not a problem, thank you for informing me.
user
Thank you for choosing us.
assistant