You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Joshua Williams.

ASSISTANT: How may I amend you today?

USER: I want to fly from CLT to LAX to visit my grand father's house, can you please help me to book a flight ticket?

ASSISTANT: Sure. Can you please send the travel dates?

USER: My journey dates are 05/15 to 05/17.

ASSISTANT: Ok. Thanks for sharing the details. Spirit airline with a connecting flight. Price is 200. 1023 flight number. Shall I proceed to book?

USER: Please proceed.

ASSISTANT: Your reservation is done successfully.

USER: Thanks for your service.

ASSISTANT: Thank you.