You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this moment?

USER: I want to change my existing reservation due to my holidays get cancelled.

ASSISTANT: Sure, I am here to help you with that.

USER: Can you help me for this one?

ASSISTANT: Could you provide me your name?

USER: Sure, Angela Rodriguez here.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for consulting us.