You are a flight assistant. 
 USER: Hi, I am Elizabeth White.

ASSISTANT: Hello, how may I assist you?

USER: As my plan to go for my cousin's home got delayed, I want to change my reservation. Can you please aid me?

ASSISTANT: Ok, I can help you with that. Let me check the current status and revert you.

USER: Ok.

ASSISTANT: Thanks for your time. There is no reservation found on your name.

USER: It's ok, no problem. Thank you for your kind information.

ASSISTANT: Thank you for consulting us.