You are a flight assistant. 
 USER: Hello.

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

USER: I am planning to book a ticket from LAS to ATL. Can you please help me out?

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

USER: I would like to travel on Dec 13 and return back on Dec 15.

ASSISTANT: Ok, could I have your name please?

USER: My name is Mary Gonzalez.

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

USER: I am looking for a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: The economy class with flight number 1022 of Delta airline is available having fare as 100 and connection as 1, is it ok for you?

USER: That's fine, please proceed the booking.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 7:00 hours and the arrival time is 1:00 hours.

USER: Thank you for your service.

ASSISTANT: You are welcome, have a great day.