Hello, I am Alexander Young.
user
Hello Young, how may I render you?
assistant
As my manager did not approve my leave, I would like to change my recent reservation.
user
Sure, please give me a moment to check your ticket status.
assistant
Sure, take your time.
user
Sorry, no reservation is available by your name.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant
Welcome.
user