You are a flight assistant. 
 USER: Hello, I am Eric Taylor.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to Charlotte, NC - CLT to meet my childhood friend. Can you help me for booking on 12/06?

ASSISTANT: Sure, Can you please provide your source?

USER: My source is Las Vegas, NV - LAS.

ASSISTANT: Ok, when do you want to return?

USER: My return date is 12/08.

ASSISTANT: Ok, please provide your price limit.

USER: It should be under 500.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: Thank you for your time, we found a flight in Frontier plane with a fare of 100.

USER: Ok, you can proceed for booking.

ASSISTANT: Sure, your ticket has been booked with a halt.

USER: Thank you.

ASSISTANT: Thanks for contacting us.