Hello.
user
Hello. How can I help you?
assistant
I am George Green. I want to do some modifications in my previous reservation, can you please help me.
user
Sure, I will help you to change your reservation.
assistant
Thank you.
user
Yes, I found your previous reservation to modify, can you please provide me your travelling dates?
assistant
Sure, my new travelling dates are from 09/28 till 09/30.
user
Ok, may I know your airport codes?
assistant
I want to fly from DFW to DTW.
user
Sorry, no flight is available on your route.
assistant
That's ok, thank you for your information.
user
Welcome, have a nice day. Thank you for connecting us.
assistant