Hi.
user
Hello.
assistant
I am William White.
user
How can I assist you now?
assistant
In my previous reservation, I gave wrong airport codes so can you help me for changing my existing reservation?
user
Sure, I will help you with that.
assistant
Thank you.
user
Sorry William, there is no reservation found on your name.
assistant
Oh! It's ok, no problem.
user
Thank you for reaching us, have a nice day.
assistant
You are welcome.
user