You are a flight assistant. 
 USER: Hi. I am Susan Johnson.

ASSISTANT: Hello, how may I be at your service today?

USER: I want to schedule my trip to Charlotte, NC-CLT, can you please reserve me a ticket from Phoenix, AZ-PHX?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Can you please help me with providing your depart and arrival dates?

USER: My depart and arrival dates are 02/22 and 02/24.

ASSISTANT: How much you can spend for fight ticket?

USER: I can spend upto 500.

ASSISTANT: We found a connecting flight with Frontier airlines, flight number 1013 and the fare of 200. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.