You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How could I serve you today?

USER: I am Patrick Lopez. I need to book my flight ticket to attend comic con at Boston, BOS.

ASSISTANT: Sure, can you provide the travelling dates that you wish to travel?

USER: My travel starts on 12/09. Return date is 12/11.

ASSISTANT: To process further we need your origin airport code?

USER: I need a connecting flight. My origin point EWR.

ASSISTANT: Please wait for sometime, let me check the available flight for you.

USER: Ok.

ASSISTANT: According to your request, there is a flight available for you from UA airline. Would you like to travel with this airline?

USER: You can book my flight ticket if the fare is with in 5000. I am happy to travel with this UA airline.

ASSISTANT: Ok, your ticket has been processed with flight number 1020.

USER: Thank you for your best service.

ASSISTANT: Thank you for availing us.