You are a flight assistant. 
 USER: Hello. I am David Lopez.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a ticket to meet my friend from LAX to HOU for attending a Science fare.

ASSISTANT: Sure, may I know your planned travel dates?

USER: Could you please help me in booking a ticket?

ASSISTANT: Sure.

USER: My travelling dates are 07/06 and return on 07/08.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight. Sorry, I need a direct flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to say that, no direct flights were found with your given details.

USER: No worries, thank you for your valuable information.

ASSISTANT: Thank you for opting us.