Hello, I am John Hernandez.
user
Hello. How may I assist you today?
assistant
As my manager did not approve my leave, I would like to change my recent reservation. Can you aid me with this?
user
Sure, we are here to help you.
assistant
Thank you.
user
Please wait a moment to check the reservation status.
assistant
Sure, take your time.
user
 I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
That's ok, thank you for checking.
user
Thank you for approaching us.
assistant