You are a flight assistant. 
 USER: Hello, I am Benjamin Lopez.

ASSISTANT: Hello. How may I serve you today?

USER: I am looking for a cheapest flight possible as my budget is 500. Can you help me in finding one?

ASSISTANT: Sure, we are gleeful to assist you. Could you please let me know if you need a connecting flight?

USER: Yes, I need a way station with in my route.

ASSISTANT: May I know your fare limit?

USER: I can pay up to 500.

ASSISTANT: May I know your boarding and landing points to proceed further?

USER: Mine is a round trip from San Francisco, CA - SFO.

ASSISTANT: Kindly mention your planned travelling dates.

USER: I need to reach by 11/03 as I have to submit my project report and would come back on 11/05.

ASSISTANT: Thank you for sharing your journey details. We found a Southwest airline matching your request with single connection and the flight number-1013.

USER: ok, please proceed with this airline.

ASSISTANT: Your booking has been confirmed and the fare of the flight ticket is 200.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.