You are a flight assistant. 
 USER: Hello, I am Charles Taylor.

ASSISTANT: Hello, how may I render you?

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

ASSISTANT: Sure, may I know your source point?

USER: My source is from Phoenix, AZ - PHX.

ASSISTANT: Could you please share your journey dates?

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

ASSISTANT: There is flight available in Spirit airline having a halt and fare is 300. Shall I proceed to booking?

USER: Please proceed.

ASSISTANT: Your booking has been processed.

USER: Thanks for your response.

ASSISTANT: Thank you for connecting us.