You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Houston, can you please book me a ticket from LAX to HOU?

ASSISTANT: Sure, could you please provide your journey dates?

USER: My preferable journey dates are Aug 01 and Aug 03.

ASSISTANT: Are you looking for any preferred connections?

USER: I prefer to connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: No, thanks for asking.

ASSISTANT: Can I have your name to proceed further?

USER: My name is Stephen Parker.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for opting us.