Hello.
Hello, how may I help you?
I am very happy to change my existing reservation because my examination was postponed, now I have much time to prepare for the exam.So please help me in modifying my recent reservation.
Sure, I will help you in modifying the ticket. Please, provide me your name?
Please check with the name of Alexander Perez.
Sorry Perez, no reservation found on your name.
It's ok, not a issues.
Thank you for contacting us.
Thanks for your checking.
Welcome.