You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to book a flight ticket from SEA to DCA?

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

USER: My planned travel dates are July, 21 and July, 23.

ASSISTANT: Do you prefer any break in between journey?

USER: Yes, I need a break.

ASSISTANT: Are there any other specifications for you?

USER: I need to return at evening time.

ASSISTANT: May I know your good name?

USER: Richard Turner here.

ASSISTANT: Hawaiian Airlines is providing connecting flight with the ticket fare of 100 and depart time is 22:00 hours, arrival time is 23:00 hours. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1020.

USER: Thank you.

ASSISTANT: Thank you for choosing us.