You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, firstly please let me know your good name?

USER: Richard Davis here.

ASSISTANT: Ok, how may I help you?

USER: I want to go to Charlotte for my family function. Can you book my ticket from 03/26 to 03/28?

ASSISTANT: Sure, I will help you. Please let me know your travel airport codes?

USER: My travelling airport codes are from SFO to CLT.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: I have found a flight with airlines AA, the price limit is 600 and the connection limit is 1. Are you fine with this flight?

USER: My budget is 500. So, please don't proceed.

ASSISTANT: Ok. Thank you for reaching our services.

USER: Most welcome.