You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to change my existing reservation owing to an emergency.

ASSISTANT: Sure, may I know your name please?

USER: I am Jacob Scott.

ASSISTANT: Let me take few seconds to render your details.

USER: Sure.

ASSISTANT: As our results from data base there is no active reservations found on your name.

USER: Thank you.

ASSISTANT: Thank you for choosing our agency.