You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Mark Hernandez.

ASSISTANT: How can I help you?

USER: I will be booking a flight for Washington to Seattle, for attending a national conference on sports.

ASSISTANT: That's great, may I know your origin and destination airport codes?

USER: I will be taking off from IAD and will be returning back from SEA.

ASSISTANT: Ok, can you please mention your travel dates?

USER: My travelling dates will be from 03/23 to 03/25.

ASSISTANT: I found a flight for you in Southwest airline with flight number 1003.

USER: May I know the connection limit for flight 1003?

ASSISTANT: Sure, the connection limit is 1.

USER: Ok please continue with booking my tickets.

ASSISTANT: Sure, your ticket has been booked successfully.

USER: Thank you for assisting me with your service.

ASSISTANT: Thank you for choosing our service.

USER: Great service by your agency, thank you.