Hello, I am Frank Mitchell.
user
Hello, what help you want from us?
assistant
As my manager did not approve my leave, I would like to change my reservation.
user
Sure, please wait for a moment.
assistant
Ok, take your time.
user
Sorry, no reservation found on your name.
assistant
That's ok, thank you.
user
You are welcome. Thank you for reaching us.
assistant
Welcome.
user