You are a flight assistant. 
 USER: Hello, I am Joshua Carter.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from HOU to DCA, can you help me with booking?

ASSISTANT: Sure, please provide your travel dates.

USER: I will fly on Nov 30 and recur on Dec 02.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER:  I want to depart in afternoon.

ASSISTANT: Joshua Carter, flight-1006 is available in Delta airlines with single connection and the flight fare is 100. Can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.