You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brandon Thomas.

ASSISTANT: How can I help you?

USER: Can you help me booking a flight ticket from IAD to SEA?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: I will start on May, 05 and return on May, 07.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a break in my journey.

ASSISTANT: Ok, may I know your arrival and departure time?

USER: I need to return in the evening time.

ASSISTANT: Here, I found a flight for you with single connection and ticket fare is 200 in economy class. Shall I proceed for booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked with flight number 1021 and airline is Southwest airline.

USER: Thank you.

ASSISTANT: Welcome, have a safe flight. Thank you for choosing us.