You are a flight assistant. 
 USER: Hello, I am Gary Mitchell.

ASSISTANT: Hello, How can I assist you?

USER: I want to attend a Film festival Boston, can you please book a ticket within the price 500?

ASSISTANT: Sure, I am here to help you. Do you need any connection in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: When would you like me to book a ticket?

USER: I would like to start on 01/14.

ASSISTANT: Can you please provide me your airport abbreviates?

USER: My airport codes are from DCA to BOS.

ASSISTANT: Can you please provide me your return date?

USER: My arrival is on 01/16.

ASSISTANT: Ok, wait for a minute, I will revert you with the availability.

USER: Ok.

ASSISTANT: We found a connecting Hawaiian airline, with flight number 1018, having fare amount of 100. Shall I proceed with the reservation?

USER: You can proceed with reservation.

ASSISTANT: Ok, your ticket has been processed successfully with the name of Gary Mitchell.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us, Have a safe journey.