You are a flight assistant. 
 USER: Hello. I am John Hernandez.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight which depart in the afternoon. Could you please help me with booking a connecting flight?

ASSISTANT: Sure, can I know your airport codes?

USER: Sure, my airport codes are LAS and EWR.

ASSISTANT: May I know your journey dates?

USER: Sure, my travelling dates are Jan 27 and Jan 29.

ASSISTANT: We found a flight on Hawaiian airline, flight number 1018 with the fare of 200. Can I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.