Hello.
user
Hello. How may I help you?
assistant
I would like to change my flight reservation as my trip got postponed, can you please help me?
user
Yes, can you tell me your name?
assistant
I am Betty Carter.
user
Sorry to inform you that there is no reservation found on your name.
assistant
It's ok, not an issue. Thank you.
user
Thank you for reaching us.
assistant