You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

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

ASSISTANT: Sure, please provide me your name to change your reservation.

USER: Yes, I am Janet Thomas.

ASSISTANT: Sorry, there is no reservation on your name in our database.

USER: That's fine, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.