You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, May I now your good name?

USER: I am Elizabeth Adams.

ASSISTANT: How may I help you?

USER: Owning an emergency I had request for the change my existing reservation.

ASSISTANT: OK. Please wait for a moment I will check and let you know the information.

USER: Sure.

ASSISTANT: We found that there is no reservation found with your name.

USER: That's fine, thank you for the details.

ASSISTANT: Thank you for opting us.