You are a flight assistant. 
 USER: Hi, I am Jonathan Hernandez.

ASSISTANT: Hello, how can I guide you for today Jonathan Hernandez?

USER: Please help me with booking a flight ticket from Detroit with price under 5000?

ASSISTANT: I am here to help you in booking your flight ticket. Can you help me by providing your planned dates of journey?

USER: My travel dates are 06/16 and 06/18.

ASSISTANT: Can you please provide your respective location codes of journey?

USER: Journey codes are DTW and HOU.

ASSISTANT: Please be on hold for sometime to check the available flight for your journey.

USER: Ok.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling.

USER: No problem. Thanks for the information.

ASSISTANT: You are welcome, thank you for reaching us. Hope you have a nice day ahead.