You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How may I assist you today?

USER: Owing to an emergency I had to request for this change reservation.

ASSISTANT: Sure, provide your name to check the status of your reservation.

USER: I am Nicholas Anderson.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on your name.

USER: Thank you.