Hello.
user
Hello. How can I aid you?
assistant
I want to modify my reservation due to some issues in my destination. So, can you help me in modification of flight ticket?
user
Sure, I am here to help you. May I know your name?
assistant
Sure, myself Sandra Hall.
user
Sorry, no reservation found on your name.
assistant
That's ok, no problem,. Thank you for your help.
user
Thank you for choosing us.
assistant
Welcome.
user