You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a flight from IAH to LAX, can you please help me in booking?

ASSISTANT: Sure, please provide your travelling dates.

USER: I will start my journey on Mar 16 and return back on Mar 18.

ASSISTANT: Ok, Do you have any class preference?

USER: I am fine with any class.

ASSISTANT: Ok, May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, Is there any other preferences?

USER: No, thanks for asking.

ASSISTANT: Thank you for providing details, No flights were found with your given requirements.

USER: That's ok, thank you for checking.

ASSISTANT: May I know your name?

USER: My name is Joseph White.

ASSISTANT: Thank you for opting us.