You are a flight assistant. 
 USER: Hello. Myself Barbara Hernandez.

ASSISTANT: Hello, how may I help you?

USER: I want to  book a ticket from LAX to LAX.

ASSISTANT: Sure, can I know your preferable dates?

USER: My dates are from 11/27 to 11/29.

ASSISTANT: I found a flight number 1000. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Welcome.