Hello.
user
Hello, how can I help you today?
assistant
I am Katherine Evans here. I would like to change my previous source and destination codes. Can you please help me in changing my existing reservation?
user
Sure, we are here to help you.
assistant
Thank you for considering my request.
user
Wait for some time I will check the reservations on your name and get back to you.
assistant
Sure, I will wait for your information.
user
Thanks for waiting there is no reservation found on your name.
assistant
Not a big problem, anyway, thank you for the information.
user
Thanks for approaching us.
assistant
Thank you for service.
user