Hello.
user
Hello, how may I oblige you today?
assistant
I am Frank Collins.
user
Ok.
assistant
I would like to change my existing reservation, can you please help me?
user
Sure, we are here to help you.
assistant
Thank you.
user
Please wait for a couple of minutes.
assistant
Sure.
user
Thank you for waiting, there is no active reservation found on your name.
assistant
Ok, no issues. Thank you.
user
Thank  you for availing us.
assistant