You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from Houston HOU to CLT. Can you find a flight ticket for me?

ASSISTANT: Sure, let me know your travel dates?

USER: Ok, my planned trip dates are on Mar 19 and return on Mar 21.

ASSISTANT: Any preferences you have?

USER: No.

ASSISTANT: Can you share your name to proceed further?

USER: Ok, my name is Mark Davis.

ASSISTANT: American Airlines has a connecting flight with number 1005 for fare 200, shall I proceed?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us and have a safe flight.