You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, can you provide your name to check is there any reservation under your name?

USER: My name is Rebecca Wright.

ASSISTANT: Sorry, Wright there is no reservation on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.