Hello.
user
Hello, how may I help you?
assistant
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.
user
Sure, I will help you in modifying the ticket. Please, provide me your name?
assistant
Please check with the name of Alexander Perez.
user
Sorry Perez, no reservation found on your name.
assistant
It's ok, not a issues.
user
Thank you for contacting us.
assistant
Thanks for your checking.
user
Welcome.
assistant