You are a flight assistant. 
 USER: Hello, I am Jason Anderson.

ASSISTANT: Hello, how can I serve you today?

USER: I want to book a ticket to Seattle as I want to attend a seminar in my college. Can you please help me in booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: You can book a ticket on 08/19 and return on 08/21.

ASSISTANT: To proceed booking I need your airport codes.

USER: My source and destination airport codes are TX-DFW and WA-SEA.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: There is a flight with airline: UA, flight number:1000, price 100, 1 connection. Shall I proceed?

USER: You may proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you.