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