You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to fly on 06/02 to 06/04, could you help me in flight booking?

ASSISTANT: Sure, can you provide me your journey points please?

USER: I am planning to visit Library of Congress in DC - IAD and my origin from TX - DFW.

ASSISTANT: Do you have any other specifications?

USER: I need a single connection in between my journey.

ASSISTANT: Ok, wait for some time I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we are glad to inform  we found Frontier airline with number 1000 and single connection with fair of 100. Shall I proceed for booking a flight ticket?

USER: Ok, proceed to booking.

ASSISTANT: May I know your name please?

USER: My name is Paul Smith.

ASSISTANT: Your ticket has been done.

USER: Thank you, for your good response.

ASSISTANT: Thanks for choosing us, have a safe journey.