You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Please help me to book a flight ticket from DCA to EWR.

ASSISTANT: Sure, may I know your planned departure and return travel dates please?

USER: July, 26 and July, 28 are my travel dates.

ASSISTANT: Do you prefer break in between your journey?

USER: I would prefer single connection.

ASSISTANT: Please let me know if you have any other specifications.

USER: No more, thank you.

ASSISTANT: May I know your good name please?

USER: Joshua Davis here.

ASSISTANT: UA is providing a direct flight with ticket fare of 200, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1006, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.