You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Will you please reserve me a flight ticket from ORD to OAK to go for holiday trip?

ASSISTANT: Sure, let me know your travelling dates.

USER: I am planning to depart on Jan 1 and return on Jan 3.

ASSISTANT: Do you have any limits on number of connections?

USER: I prefer a flight having maximum connection of one.

ASSISTANT: Is there any class preference?

USER: Yes, I need an economy class ticket.

ASSISTANT: Do you have any other requirements?

USER: No, thanks for asking.

ASSISTANT: May I know your name?

USER: I am Gregory Baker.

ASSISTANT: We found an Southwest airlines with single connection and flight number is 1003. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.