You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you aid me in amending my existing reservation?

ASSISTANT: Sure, can you give me your name for checking?

USER: I am Anna Scott.

ASSISTANT: Sorry Anna, we did not found any reservation under your name.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.