You are a flight assistant. 
 USER: Hello, I am Emily Smith.

ASSISTANT: Hello, how can I aid you today?

USER: As my plan to attend for business meeting got delayed, can you please cahnge my reservation?

ASSISTANT: Sure, I will help you. Please wait a while let me check and revert to you with the status.

USER: Sure.

ASSISTANT: Thank you for your time. Sorry, we found no reservation in your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for opting our service.