Hi.
user
Hello, how may I serve you?
assistant
I want to change my flight reservation as my trip got postponed, can you please help me?
user
Sure, I will render you. Please provide the name on which ticket was reserved.
assistant
Sure, my name is Christine Mitchell.
user
Please wait for a while.
assistant
Sure.
user
Sorry, there is no reservation existing on your name.
assistant
No problem, thank you for checking.
user
You are welcome, have a nice day.
assistant