You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to change my recent reservation, can you please help me?

ASSISTANT: Sure. May I know your name please?

USER: Myself Michelle Martinez.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Not an Issue.

ASSISTANT: Sorry I could not find your flight reservation to change it.

USER: That's ok, thank you for searching the details.

ASSISTANT: Thank you.