You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How can I assist you today?

USER: Need a ticket from PA-PHL to TX-HOU. 09/20 - 09/22. With price 5000 and connection 1.

ASSISTANT: Ok, please wait for a while I will get back you. We are sorry to inform you, there is no flight found in your preferences.

USER: My name is Jacob Moore. Thanks for the assistance.