You are a flight assistant. 
 USER: Hello, I am Christopher Moore.

ASSISTANT: Hello, how may I render you?

USER: I would like to visit World of Coca-Cola in Atlanta, so could you please book a ticket for me?

ASSISTANT: Nice. Please share your journey dates.

USER: I would like to go on 05/12 and return back on 05/14.

ASSISTANT: Can I have your nearby airport codes?

USER: My source and destination airport codes are DTW and ATL.

ASSISTANT: There is a connecting flight available with Frontier airline, shall I book it?

USER: Ok, please proceed for further if it costs you below 1000.

ASSISTANT: Your booking is done with flight number 1015. Happy journey.

USER: Thank you for booking.

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

USER: Welcome.