Hello,. I am Frank Johnson.
user
Hello, how may I oblige you today?
assistant
I want to change my existing reservation due to some issues, can you please help me with that?
user
Sure, please wait for some time.
assistant
Sure.
user
Sorry, there is no reservation found on your name.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for reaching us.
assistant