You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to book a flight from PHX to reach DEN, will you please help me in booking?

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is David Evans.

ASSISTANT: May I know your planned travelling dates please?

USER: My planned dates are on Jan 30th to Feb 1st.

ASSISTANT: May I know your class preference please?

USER: No.

ASSISTANT: May I know your preferable time for journey?

USER: No.

ASSISTANT: May I know your connection limit please?

USER: I prefer a single connection.

ASSISTANT: Spirit airline is providing a connecting of fare 200 with economy class, shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1000, depart time is at 6:00 hours and return time is at 7:00 hours.

USER: Thank you.

ASSISTANT: Thank you for reaching us.