Hello. I am Eric Thomas.
user
Hello, how may I guide you?
assistant
I would like to change my recent reservation due to my planned programme got postponed by my  family members. Will you please help me?
user
Sure Eric, please wait for a moment to change your reservation.
assistant
Ok, take a time.
user
Sorry Thomas, there is no reservation found on your name to change your reservation.
assistant
Ok, its fine.
user
Thank you, for consulting us.
assistant
Thank you for your help.
user
Welcome.
assistant