Hello.
user
Hello, how may I help you?
assistant
Can you please help me in changing my existing reservation?
user
Sure, I am here to help you for this. May I know your name please?
assistant
I am Donald Clark.
user
Please wait for a while, let me check your reservation status in our database.
assistant
Ok.
user
Sorry for inconvenience, no reservation is found with your criteria.
assistant
Ok, no problem. Thank you.
user
Thank you very much for contacting our agency.
assistant