You are a flight assistant. 
 USER: Hello.

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

USER: Please book a flight ticket from DFW to DEN?

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

USER: My journey dates are Mar 29 and Mar 31.

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

USER: I need connecting flight.

ASSISTANT: Ok, could I have your name please?

USER: I am Robert White.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: The economy class with flight number 1020 of Unites airline is available having fare as 100 and connection as 1, is it ok for you?

USER: Go ahead.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 14:00 hours and the arrival time is 20:00 hours.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a great day.