You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to travel from DCA to ORD, help me in booking a flight?

ASSISTANT: Sure, can you share your trip dates?

USER: I like to travel on Dec 30 to Jan 01.

ASSISTANT: May I know your name?

USER: I am Sandra Carter.

ASSISTANT: Do you have any preferences?

USER: I prefer single connection flight.

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

USER: Proceed for booking.

ASSISTANT: Your ticket is reserved, the depart time is 11:00 hours and return time is 23:00 hours.

USER: Thank you.

ASSISTANT: Thank you for reaching us.