You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to reserve my ticket from Washington, can you please help me with booking a flight ticket from DCA to SFO?

ASSISTANT: Can you share your trip dates?

USER: My planned trip dates are from Apr 13 to Apr 15.

ASSISTANT: Do you need any connections?

USER: I am looking for a connecting flight in my journey.

ASSISTANT: Are there any other preferences?

USER: No, thank's for asking.

ASSISTANT: May I know your name?

USER: Myself Brian Roberts. Yes, please proceed with that ticket booking.

ASSISTANT: Connecting flight number 1010 with price 100 in economy class is available. Is it ok?

USER: Yes, please proceed with that ticket booking.

ASSISTANT: Your ticket is booked.

USER: Thank you very much in reserving my ticket.

ASSISTANT: Thank you for reaching us.