You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to go for a vacation in LAS to enjoy my friends. Can you please help me for booking from OAK?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: I would like to depart on Dec 23 and return on Dec 25.

ASSISTANT: May I know your name?

USER: My name is Joseph Taylor.

ASSISTANT: Do you have any other specifications?

USER: I need a way station.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Southwest airlines with direct flight and number 1004 fare of 100, Shall I proceed for booking?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.