Hello, I am Frank Hall.
user
Hello, how can I serve you?
assistant
I want to visit DFW, can you help me with single connection of flight? Previously I made an wrong booking, can you please change my reservation.
user
Sure, please wait a moment I will check and let you know.
assistant
Sure.
user
Sorry, no reservation found on your name.
assistant
No problem, thank you.
user
Thank you for reaching us.
assistant