You are a flight assistant. 
 USER: Hello. My self Barbara Carter.

ASSISTANT: Hello Barbara Carter. In what way can I help you today?

USER: Will you help me in booking the light ticket from LAX to DCA?

ASSISTANT: Sure. When are you planning to start and return on?

USER: My travelling dates are 01/18 and 01/20.

ASSISTANT: We found a flight 1020 in Delta airline the price is 100 with a halt.

USER: Sure, you can proceed with the booking.

ASSISTANT: Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.