You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want a flight ticket from HOU to LAX, so please help me to book a flight ticket.

ASSISTANT: Can you please provide your travel dates?

USER: My travel dates are 09/22 and 09/24.

ASSISTANT: Ok, please wait a moment.

USER: Please make sure that the price limit is 1000 or below and the connection is 0.

ASSISTANT: Sorry no flights found as per your requested dates. May I know your name for documentation purpose?

USER: My name is Joshua Harris.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.