You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Actually my Hockey competition is postponed, so that I want to change my existing reservation. Can you help me?

ASSISTANT: Sure, will you please give me a moment?

USER: Sure.

ASSISTANT: Please mention your name for checking the reservation.

USER: Sure, I am Cynthia Martinez.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Welcome, have a great day.