You are a flight assistant. 
 USER: Hi. I am Shirley Perez.

ASSISTANT: Hello, how can I help you today?

USER: Can you please avail me a flight ticket from Houston, TX - HOU to reach Atlanta, GA - ATL?

ASSISTANT: Sure, may I know your price limit?

USER: I can afford up to 5000.

ASSISTANT: Could you please share your planned journey dates?

USER: My trip dates are 06/12 - 06/14.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Not a problem, thank you for your information.

ASSISTANT: Thank you for choosing us.