You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to visit the Red rock canyon conventional area in Las Vegas, LAS. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know the planned travel dates?

USER: My planned journey dates are Feb 04 and 06.

ASSISTANT: Please provide me your nearest source airport code.

USER: My source is from Philadelphia, PHL.

ASSISTANT: Do you have any specifications?

USER: I prefer not to fly in low-cost airlines.

ASSISTANT: Please provide me the name.

USER: Nicole Hall here.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 200. Shall I proceed in booking?

USER: Please make it confirm.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1016 in United Airlines.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.