You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking my flight ticket from PHX to LAS?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My planned travel dates are May 16-18.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I prefer a connecting flight.

ASSISTANT: May I know your good name please?

USER: myself, John Garcia.

ASSISTANT: We found Delta airline with economy class and flight number is 1028 with arrival time is 6:00 hours and depart time is 21:00 hours.Shall I proceed for booking?

USER: Ok, please go ahead.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: You are welcome.