You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a flight from IAD to SFO, can you help me in booking?

ASSISTANT: Sure, I'm glad to help you. Can you please provide your planned travel dates?

USER: Sure, my planned travel dates are Dec 25 and Dec 27.

ASSISTANT: Do you need break in between your journey?

USER: Please look for a connecting flight.

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

USER: No, thank you.

ASSISTANT: Can I have your good name please?

USER: Myself Katherine Perez.

ASSISTANT: AA is providing a direct flight on that route with ticket fare of 200, shall I proceed for booking?

USER: That's fine, please proceed with booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1019, have a safe journey.

USER: Thank you for the service.

ASSISTANT: Thank you for choosing us.