Hello.
user
Hello. How can I help you?
assistant
I am Gary Green, want to alter my recent reservation due to some emergency. Please help me out with that.
user
Sure, I will help you to change your reservation.
assistant
Thank you.
user
Please give me a moment.
assistant
Sure.
user
Sorry, no reservation found on your name to change your reservation.
assistant
It's ok, thank you for your help.
user
Welcome, have a nice day. Thank you for choosing us.
assistant