You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Gregory Moore want took a ticket to CA-OAK to organize a conference.

ASSISTANT: Ok.

USER: Can you book a ticket on 02/04?

ASSISTANT: Sure, may I know your return date?

USER: I will return on 02/06.

ASSISTANT: May I know your source code?

USER:  I will depart from WA-SEA.

ASSISTANT: Please mention your price range? There is a Frontier 1029 airline which matches your requirements. Shall I proceed with booking with fare of 200?

USER: May I know connection limit?

ASSISTANT: The flight has 1 conmnection.

USER: Ok, you can proceed.

ASSISTANT: Your booking has been confirmed on name of Gregory Moore.

USER:  Thank you.

ASSISTANT: Thank you for approaching us.