Hello.
user
Hello, how may I help you today?
assistant
I need to change my reservation due to my planned event got postponed. So please help me with that.
user
Sure, could you please help me with your name?
assistant
Thank you. Myself Christine Hill.
user
Wait a minute.
assistant
Sure, take  your time.
user
Sorry, there was no reservation found on your name.
assistant
Oh! It may not be booked properly due to server issues while booking. Anyway, thank you for your time.
user
Thank you for choosing us.
assistant
Most welcome.
user