You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Could you book my ticket from DCA for a round trip?

ASSISTANT: Sure, can you provide your journey dates?

USER: My itinerary dates are 01/08 and 01/10.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight and ticket fare should be 200 or below.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1010 in airline Southwest, the fare is 100.

USER: Go ahead to book my ticket.

ASSISTANT: May I know your name for booking?

USER: My name is Kimberly Hall.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.