Hello.
user
Hello, do you need any help from us?
assistant
I need to change my reservation due to my planned programme got postponed so please help me with that.
user
Sure, I will definitely help you. Can I know your name please?
assistant
Sure, myself Robert Evans.
user
Evans, I haven't found your reservation to change further.
assistant
Oh! May be booking is not done. Anyway, thank you for your time.
user
Thank you for opting us.
assistant
Most welcome.
user