You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, may I know your name please?

USER: Laura Thompson here.

ASSISTANT: Please stand by.

USER: Ok.

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

USER: No issue, Thanks for the information.

ASSISTANT: Thank you for opting our service.