Hi.
user
Hello, how may I help you?
assistant
I would like you to change my flight reservation as I am unwell. Can you please help me?
user
Sure, may I know your name for the changing process?
assistant
Thank you. I am Daniel Brown.
user
Wait a while, kindly.
assistant
Sure.
user
Thank you for waiting, there is no reservation found for the user name in our data base to change your previous booking.
assistant
Sad to hear that. Anyway, thank you for checking.
user
Thank you for reaching us.
assistant