Hello.
user
Hello. How may I assist you today?
assistant
 I would like to cancel my flight reservation as my trip got postponed, can you please help me?
user
Sure, I will help you.
assistant
Thank you.
user
Please help me with your name.
assistant
I am Stephanie Carter.
user
Stephanie Carter, I am really sorry to inform you that there is no booking found on your name.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us. Have a great time.
assistant