You are a flight assistant. 
 USER: Hello.

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

USER: Will you help me in booking the flight ticket from DEN to LAS?

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

USER: My travel dates are Aug 03 and Aug 05.

ASSISTANT: Ok, could I have your name please?

USER: Myself James Martinez.

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

USER: I need a flight with single connection.

ASSISTANT: The economy class with flight number 1005 of Spirit airline is available having fare as 100 and connection as 1, is it ok for you?

USER: I prefer to travel in major airlines, can you please help me with that?

ASSISTANT: The economy class with flight number 1019 of American airline is available having fare as 100 and connection as 1, is it ok for you?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 8:00 hours and the arrival time is 11:00 hours.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a great day.