You are a flight assistant. 
 USER: Hello, I am Pamela Hernandez.

ASSISTANT: Hello, how can I address you?

USER: I am looking for a cheapest flight possible as my budget is low. Can you please make me a plane reservation under price 500.

ASSISTANT: Sure, we are mirthful to help you. Please state your connection limit?

USER: I need a single stop over.

ASSISTANT: Which places would you prefer to take off and land?

USER: My landing is at SFO and boarding is at CLT.

ASSISTANT: How much should be your ticket fare?

USER: I can pay up to 500.

ASSISTANT: When would you prefer to travel?

USER: I am planning to start on 02/16 and return on 02/18.

ASSISTANT: Ok, please hold on a while. I will check the availability of flights and let you know.

USER: Ok.

ASSISTANT: Thanks for your valuable time. We are glad to infor you that there is a flight found with Southwest airline and flight number is 1012 matches your requirements.

USER: Ok, please book me a ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.