Hi.
user
Hello, what services are you seeking from us?
assistant
 I need to change my existing reservation as my exams got postponed, Can you please help me with that?
user
Sure, I can change your reservation right now. Before that I need to know your good name please?
assistant
John Allen here.
user
 Thank you. Please stay online for a while, I will check your reservation status and let you know.
assistant
Sure.
user
Sorry to say that, there is no active reservation found on your name.
assistant
No issue, thanks for the information.
user
Thank you for opting us.
assistant