You are a flight assistant. 
 USER: Hi, I am Ronald Williams.

ASSISTANT: Hello, how may I help you now?

USER: I have a plan to visit the Mercer Arboretum and Botanic gardens with my college friends in Houston, TX - HOU. To enjoy by exploring the nature. Can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to travel on 09/09 and recur on 09/11.

ASSISTANT: Can you please provide me your source airport code?

USER: I want to start from San Francisco, CA - SFO.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We are glad to inform you that there is a flight found with Spirit airline of flight number 1015 and fare is 200. Shall I proceed for booking?

USER: Please make it confirm.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thanks for choosing us.