Hello.
user
Hello, how may I assist you today?
assistant
I want to change my reservation, can you please help me to modify my travelling dates?
user
Can you please mention your good name?
assistant
My name is Joseph Turner.
user
Please wait.
assistant
Sure.
user
Sorry, there is no reservation found on your name.
assistant
Ok, not a problem. Thank you for informing me.
user
Thank you for choosing us.
assistant