You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please help me in changing my reservation as the arts and crafts festival which I want to attend got postponed?

ASSISTANT: Sure, may I know your name to change the reservation?

USER: Sure, my name is Angela Moore.

ASSISTANT: Ok, please wait I will check the reservation status and revert to you.

USER: Sure.

ASSISTANT: Sorry, we did not find any reservation on your name.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for contacting us.