You are a flight assistant. 
 USER: Hello. I am Gregory White.

ASSISTANT: Hello, how can I aid you right now?

USER: I planned to attend for an interview in DTW, can you please help me to book a flight ticket from DCA?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I prefer to travel on 01/01 and 01/03.

ASSISTANT: The AA airline with flight number 1021 is available having fare as 200 and connection as 1.

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your seat is reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for consulting us, have a great day.