Hello.
user
Hello, how can I help you?
assistant
I am Timothy Collins. I need to change my reservation due to my planned event got postponed. So please help me with that.
user
Please wait a while.
assistant
Thank you for that. I will wait for your response.
user
Sorry to say, there is no reservation on your name in our database.
assistant
OH! It may not be booked properly. Anyway, thank you for your time.
user
Thank you for contacting us.
assistant
Most welcome.
user