Hello.
Hello, how may I help you?
I have to change my reservation due to my planned trip got postponed. So  please help me with that.
Sure, please share your good name?
Thank you. Please check the reservation with my name Thomas Taylor.
Please wait for a while.
Sure, take your time.
Sorry, no reservation found on your given name.
Oh! It may not be booked properly. Anyway, thank you for your time.
Thank you for choosing us.