Hello.
user
Hello, how may I help you today?
assistant
I would like to change my existing reservation, please help me out.
user
Ok, please tell me your planned dates for this journey? Ok, please wait for a moment.
assistant
Sure.
user
Can I know your good name please?
assistant
My name is Ryan Scott.
user
Sorry, no reservation was found by your name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for choosing us.
assistant