Hello, myself Janet Young.
user
Hello, how may I aid you?
assistant
I would like to change my flight reservation, can you please help me?
user
Sure, please wait for a moment to check your details.
assistant
Sure, I will wait for your reply.
user
Sorry to say, no reservation found on your name.
assistant
That's fine. Anyway, thank you for checking.
user
Thank you for reaching us, have a nice day.
assistant