You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Anna Thomas, can you help me to book a flight ticket from ORD to DCA?

ASSISTANT: Sure, may I know your travel dates?

USER: Ok, my travel dates are 12/30 and 01/01.

ASSISTANT: Do you have any specification?

USER: Yes, I need a connecting flight?

ASSISTANT: We found a flight on your details with airline Southwest, flight number: 1005. Shall I book this ticket?

USER: Ok.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you so much.