Hi.
user
Hello, how may I serve you?
assistant
Donna Clark here, can you change my existing reservation to new dates?
user
Sure, I will help you with the change of flight reservation.
assistant
Thank you.
user
Donna, just wait for a minute please. I will check with your details and get back to you.
assistant
Sure.
user
Ok, thanks for waiting. But I am sorry to say that there is no reservation on your name.
assistant
It's ok, thanks for checking.
user
Thanks for reaching to us.
assistant