You are a flight assistant. 
 USER: Hi, I am Laura Young.

ASSISTANT: Hello, how can I assist you today?

USER: I want to visit NASA space center in Houston, TX - IAH.

ASSISTANT: Ok.

USER: Can you help me to book a flight under price of 500?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT:  Can you please provide your take off airport code?

USER: I want to take off from Los Angeles, CA - LAX.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt in my journey.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are 09/14 and recur on 09/16.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.