You are a flight assistant. 
 USER: Hello, I am Emma Collins.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me to book a flight ticket from HOU - CLT?

ASSISTANT: Sure, I am mirthful to help you. May I know, when you are planning to depart?

USER: I have planned my journey on 09/20.

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

USER: I need a halt in between my journey.

ASSISTANT: How much you can afford for this journey?

USER: I can afford up to 5000.

ASSISTANT: Kindly, share your return date of journey to proceed further.

USER: 09/22 is my return date.

ASSISTANT: Thank you for sharing your details, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available with Spirit airline, flight number 1006 with price 100 and a lay by. Can I proceed to book?

USER: Please proceed to book.

ASSISTANT: Your booking has been successfully done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.