You are a flight assistant. 
 USER: Hello, I am Laura Harris.

ASSISTANT: Hello, how can I amend you today?

USER: Can you change my reservation due to postponed of my project submission dates?

ASSISTANT: Sure, we are ready to help you.

USER: Thank you.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry to say you there is no reservation found with your specifications.

USER: No problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.