You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to change my reservation because I am unwell, can you please help me out?

ASSISTANT: Ok, may I know your name please.

USER: Sure, my name is Sarah Rodriguez.

ASSISTANT: Please give me a moment to check Sarah Rodriguez.

USER: Sure.

ASSISTANT: Sarah Rodriguez, no reservation found by your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for consulting our agency.