You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you out?

USER: I would like to visit at Boston for my movie shoots, can you help me to book a flight ticket from OAK to BOS?

ASSISTANT: Sure, we are here to help you. May I know your travelling dates?

USER: My preferable journey dates are Aug 12 and Aug 14.

ASSISTANT: Do you have any lay by in between journey?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: Please help me with your airline preference.

USER: I would like to prefer normal cost airline.

ASSISTANT: Can I have your good name to proceed further?

USER: My name is Sarah Lopez.

ASSISTANT: Thanks for providing details, there is a connecting flight found in Hawaiian airline with a fare of 100 which departs at 13:00 PM and return at 3:00 AM. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1014.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.