You are a flight assistant. 
 USER: Hello, I am Carol King.

ASSISTANT: Hello, how may I aid you today?

USER: I want to make a round trip to meet my childhood friend in Charlotte, can you help me for booking with the price limit of 200?

ASSISTANT: Sure, can you please share your journey dates?

USER: My travelling dates are 06/04 and 06/06.

ASSISTANT: Ok could you help me with your journey codes please?

USER: My source and destination airport code is NC - CLT.

ASSISTANT: Any price limit?

USER: I have already provided.

ASSISTANT: Ok, hold on I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, flight: 1007 airline: Frontier, price: 100 with single connection matches with your requested dates. Shall I proceed?

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.