Hello.
user
Hello. How may I help you?
assistant
I am Anthony Thomas. I want to change my flight reservation as I got some important work at my office, can you please help me?
user
Sure, please give me a moment to check your ticket status.
assistant
Sure.
user
Sorry, no reservation is available by your name.
assistant
Oh! Sad to hear that. Anyway, thank you for checking.
user
Thank you for choosing us.
assistant