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 OAK?

ASSISTANT: Sure, I am here to help you. Can I have your travelling dates?

USER: June, 6 and June, 8 are my travel dates.

ASSISTANT: Do you prefer any break in between journey?

USER: Yes, I need a break.

ASSISTANT: May I know your good name?

USER: Kevin Turner here.

ASSISTANT: Are there any other specifications for you?

USER: I need to travel in economy class only.

ASSISTANT: We found a connecting flight in JetBlue airline with a fare of 100 which departs at 19:00 and return at 5:00. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1028.

USER: Thank you.

ASSISTANT: Thank you for availing us.