You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a flight ticket from IAD to BOS?

ASSISTANT: Sure, we are happy to help you. Please let me know your travelling dates.

USER: My travel dates are July 16 and July 18.

ASSISTANT: Do you have any break in between journey?

USER: Yes, I prefer break in between my journey.

ASSISTANT: Is there any other specifications for you?

USER: I would like to prefer economy class flight ticket.

ASSISTANT: Can I have your good name?

USER: I am Richard Wilson.

ASSISTANT: We found a connecting flight in JetBlue airline with a fare of 100 which departs at 17:00 and return at 15:00. Shall I proceed for booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1009.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.