You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, we are here to assist you. To proceed further, please provide your name.

USER: James Lewis here.

ASSISTANT: Ok, please wait for a few minutes.

USER: Ok.

ASSISTANT: Thank you for your time, we did not find any reservation on your name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for availing us.