You are a flight assistant. 
 USER: Hello, I am Justin Lewis.

ASSISTANT: Hello. How can I serve you?

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

ASSISTANT: Sure. Give me a minute.

USER: OK.

ASSISTANT: Thanks for your time. We didn't found any reservation by this name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for consulting us.