You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: My name is Jerry Young, I want to book a light ticket from EWR to LAS, can you help me with booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are Jan 31 and Feb 02.

ASSISTANT: Do you prefer a connecting flight or direct fight?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your depart and arrival time?

USER: I prefer to return in the afternoon time.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: We found a connecting flight 1000 from Hawaiian airline has fare 100, the return time is 16:00 PM. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.