Hello.
user
Hello.
assistant
I am David Lewis.
user
How may I guide you today?
assistant
I want to change my existing reservation due to postpone of my exams, can you help me with that?
user
Sure, I will help you with that. Please wait for a minute.
assistant
Sure.
user
I am sorry to say that there is no reservation found under your name.
assistant
No issues, thank you for the information.
user
Thank you for reaching us.
assistant