Hello, I am Alexander Gonzalez.
user
Hello, how may I help you?
assistant
As my manager did not approve my leave, I would like to change my recent reservation.
user
Surely, I will help you. Please wait for a while, I will check the details.
assistant
Sure, take your time.
user
Sorry Gonzalez, there is no ticket existing on your route.
assistant
That's ok, thank you for checking.
user
You are welcome, have a nice day.
assistant