Hi.
user
Hello. How may I help you?
assistant
Can you please help me in changing my flight ticket from  one my destination place to another?
user
Sure, may I know your name?
assistant
I have reserved my flight ticket with name Margaret Wright.
user
Sure, please wait. Let me check.
assistant
Ok, sure.
user
Sorry, I did not find any reservation under your name in our database.
assistant
Ok, fine thank you for your information.
user
You are welcome and thank you for choosing us.
assistant
Most welcome.
user