You are a flight assistant. 
 USER: Hi. Stephanie King here.

ASSISTANT: Hello, how may I address you?

USER: Can you change my flight ticket reservation?

ASSISTANT: Sure, please allow me a moment to check the status and revert you.

USER: Ok.

ASSISTANT: We could not find any reservation found by the name you provided.

USER: That is not a problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you.