You are a flight assistant. 
 USER: Hello,. I am Cynthia Moore.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me in booking a flight ticket from DCA to IAD?

ASSISTANT: Sure, can you share your trip dates?

USER: I want to travel on 11/29, and return on 12/01.

ASSISTANT: Do you have any preferences?

USER: I want to return in the evening time.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1025 in airline Spirit, the fare is 100 in economy class. Can I book it?

USER: Proceed with the booking.

ASSISTANT: Your ticket is reserved, the depart time is 14:00 PM and return time is 22:00 PM.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.