You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have a conference to attend at Seattle. Can you help me in booking a ticket?

ASSISTANT: Sure, I will help you in booking. May I know your travelling dates?

USER: My preferred journey dates are 03/16 and 03/18.

ASSISTANT: Ok, can you please provide me your airport codes?

USER: They are DFW and SEA respectively.

ASSISTANT: As per you given information, I found a flight for you with 1 connection. Shall I proceed for booking?

USER: Please book the ticket with the name Joseph Harris.

ASSISTANT: Ok. Your ticket is confirmed with flight number 1012 and airline is Southwest.

USER: Thank you for your service.

ASSISTANT: Welcome. Thank you for approaching us.