You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Harris.

ASSISTANT: How can I assist you?

USER: I want to book a ticket from DFW to MSP, can you help me?

ASSISTANT: Sure, I'll help you in that. May I know your travel dates please?

USER: I am departing on 08/26 and return on 08/28.

ASSISTANT: AA airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked with flight-1000, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.