Hi.
user
Hello, how may I assist you?
assistant
I am Shirley Brown, can you help me for changing my existing reservation, because in my previous reservation I gave wrong airport codes?
user
Sure, I will help you out. Please allow me a moment to check the reservation details.
assistant
Ok, I will wait for your but get back with my reservation status.
user
Sorry Brown, there is no reservation on your name in our database.
assistant
Oh! It's ok, no problem. Thank you for your services.
user
Thank you for reaching us.
assistant