Hello.
user
Hello. How may I aid you?
assistant
Myself Sarah Miller.
user
Glad to meet you Miller.
assistant
I would like to change my previous source and destination codes, which is done recently. Can you please help me out?
user
Sure, I am here to help you out.
assistant
Thank you for accepting my request.
user
Sarah Miller, we haven't found any reservation under your name in our database.
assistant
Not a problem, thank you for your kind information.
user
Thank you for approaching us.
assistant
Thank you for your service.
user