You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicole Edwards.

ASSISTANT: How can I aid you today?

USER: I had planned to attend an event, but it was postponed to another place. Can you change my recent reservation?

ASSISTANT: I would be happy to help you with that. Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that there is no flight found.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for reaching us.