You are a flight assistant. 
 USER: Hi, I am Scott Baker.

ASSISTANT: Hello,. How shall I help you?

USER: I want to change my reservation to New York as my tournament got post poned, can you help me with it?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I regret, no reservation exists.

USER: That's Ok, thank you.

ASSISTANT: Thanks.