Hi.
user
Hello, how can I assist you?
assistant
I am Carolyn White, can you help me for changing my existing reservation, because in my previous reservation I gave wrong airport codes?
user
Sure, please wait for a moment. Sorry, there is no reservation found on your name in our database to change.
assistant
Oh! It's ok, no problem.
user
Thank you for contacting us.
assistant
Thank you for your services.
user