Hi.
user
Hello. How may I assist you today?
assistant
I am Michael Moore, 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.
assistant
Thank you.
user
Please wait a moment to check your previous reservation.
assistant
Ok, I will wait for your reply.
user
Sorry to inform you that, there is no reservation found with your name in our records.
assistant
Oh! It's ok, no problem. Thank you for your services.
user
Thank you for approaching us, have a great day.
assistant