Hello.
user
Hello. How may I guide you today?
assistant
I would like to change my flight reservation as my trip got postponed, can you please help me?
user
Sure, I will help you with that. May I know your name please?
assistant
I am Rebecca Collins.
user
I am sorry to say that there is no reservation found under your name.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant