You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Paul Robinson. I want to book a ticket from DCA to DFW, can you help me?

ASSISTANT: Sure, can you share your trip dates?

USER: My travel dates are Dec 22 and Dec 24.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with number 1011 in airline Delta, the fare is 100. Can I book it?

USER: You can book it.

ASSISTANT: Your ticket is reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.