You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Stephen Rodriguez, I am looking for a flight under fare of 500, cam you help me to book a flight?

ASSISTANT: Sure, may I know your airport codes please?

USER: I will fly from CA-SFO to NC-CLT.

ASSISTANT: Can please provide me your trip dates?

USER: I will travel on 05/06 and return on 05/08.

ASSISTANT: Do you prefer connection limit?

USER: I need a connecting flight.

ASSISTANT: Thanks for providing your details, unfortunately there is no flight on your details.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for choosing us.