You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ronald Williams.

ASSISTANT: How may I oblige you today?

USER: I am heading to Houston to make a business proposal from San Francisco. Can you help me book a connecting flight?

ASSISTANT: Sure, please let me know your fare preference.

USER: 500 is my price limit.

ASSISTANT: Please let me know your planned travelling dates.

USER: I will depart on 08/31 and return on 09/02.

ASSISTANT: May I know your exact airport codes to proceed further?

USER: I would like to reach HOU from SFO.

ASSISTANT: Thanks for providing details, we found a Spirit airline matching with your essential details.

USER: Go ahead for booking with this airline.

ASSISTANT: Your booking has been processed successfully with the flight number-1013 and the price 100.

USER: Ok, thank you for your service.

ASSISTANT: You're welcome, happy journey.