You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket from PHX to LAS, Can you please help me for booking?

ASSISTANT: Sure, please provide your trip dates.

USER: I would like to travel on 02/09 to return on 02/11.

ASSISTANT: Which class do you prefer?

USER: I need a normal cost airline.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I am comfortable with economy class.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: UA airlines with flight 1016 is providing a connecting flight and ticket cots you 200 in economy class.

USER: Ok, proceed for booking.

ASSISTANT: May I know your name?

USER: Brandon Lee.

ASSISTANT: Your ticket is confirmed Brandon Lee. Flight departs at 3:00 AM and arrives at 17:00 PM.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.