You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: Due to an emergency, I want to change my reservation. Can you help me?

ASSISTANT: Sure, I am here to help you for this. Let me check your reservation status in our records. May I know your name to check?

USER: Thank you. Raymond Allen here.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We could not find any reservation active by the name you provided.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for approaching us.