You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand?

USER: I am Kathleen White. I would like to do self drive swim with manatees in crystal river which is at  Charlotte, CLT.

ASSISTANT: Ok.

USER: Can you please book a ticket from Boston, BOS?

ASSISTANT: Sure, I am mirthful to help you.

USER: Thank you.

ASSISTANT: Do you need a lay by in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Can I have your planned travelling dates?

USER: I am willing to start my journey on 03/23 and return is on 03/25.

ASSISTANT: Thank you for sharing your details. Please wait for a while, I will search flight for you.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available in Spirit airline, flight number 1000 having fare 100 and a lay by. Shall I proceed to book?

USER: You can proceed.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.