You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to change my recent reservation due to some issues, can you help me in doing that?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: Stephanie Perez here.

ASSISTANT: Just a moment, let me check your reservation status in our records.

USER: Sure, take your time.

ASSISTANT: Sorry for inconvenience, no reservation is found under your name to change.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you very much for contacting our agency.