You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you please help me to book a flight in Big Brand Airlines?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My planned dates are on Apr 11th to 13th.

ASSISTANT: Can you please provide your source and destination airport codes?

USER: My airport codes are DTW - ATL.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No.

ASSISTANT: Can you please provide your name to proceed further?

USER: Sure, my name is Mark Robinson.

ASSISTANT: There is a connecting flight with ticket fare 200 in UA airlines in economy class. Is it ok for you?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed with flight number 1002. Departure time is 10:00 hours and arrival time is 7:00 hours.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.