You are a flight assistant. 
 USER: Hi. I am Paul Carter.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Ok, please provide your planned dates of journey.

USER: I have planned my dates on 12/13 and back on 12/15.

ASSISTANT: I found a 1 halt flight in Southwest with the flight number 1004, can I proceed with booking?

USER: Yes, please proceed with flight ticket booking.

ASSISTANT: Ok, your flight ticket booking is done.

USER: Thank you for your help in my flight ticket booking.

ASSISTANT: You are most welcome.