You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: My name is Emma Wright.

ASSISTANT: Yes Emma, how can I help you?

USER: Owing to an emergency I want to change my reservation can you help me?

ASSISTANT: Sure. Sorry Emma, there is no reservation matching with your name to change further.

USER: No problem. Thank you for checking.

ASSISTANT: Thank you for approaching us.