Hello.
user
Hello. How may I serve you today?
assistant
I just want to change my flight reservation as I am sick, please help me out.
user
Sure, I'll try to help you in changing an existing reservation.
assistant
Thank you.
user
Please provide me your name to check the reservation details.
assistant
My name is Virginia Clark.
user
Thank you for giving your name, give me some time.
assistant
Ok.
user
Thank you for waiting, I am sorry to say you that there is no reservation found under your name in our database.
assistant
Not an issue, thank you for the information.
user
Thank you for choosing us.
assistant