You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Please help me in booking flight ticket from ATL to DTW.

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

USER: My trip dates are May 01 to May 03.

ASSISTANT: Ok, could I have your name please?

USER: Karen Anderson here.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

ASSISTANT: The economy class with flight number 1003 of United Airline is available having fare as 100 and connection as 1, is it ok for you?

USER: You can reserve it.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 4 hours and the arrival time is 19 hours.

USER: Thank you for your quick service.

ASSISTANT: You are welcome.