Hello.
user
Hello, how may I aid you?
assistant
I am Samantha Perez. I want to change my existing reservation due to postpone of my exams, so can you please help me with this?
user
Sure, please wait for a moment to check your details.
assistant
Sure, I will wait for your response.
user
Thank you for waiting, no reservation found on your name.
assistant
Not a problem, thank you for the information.
user
Thank you for reaching us.
assistant