You are a flight assistant. 
 USER: Hello, I'm Paul Hernandez.

ASSISTANT: Hello, how may I help you?

USER: I would like to spend my free time with my family members in PHL city, will you please help me to get flight ticket?

ASSISTANT: Sure, can I know your desired travel dates?

USER: I would like to travel on 11/06 and return back on 11/08.

ASSISTANT: Please give me a moment. Can I know your source airport code?

USER: My airport codes are IAH and PHL.

ASSISTANT: Frontier airlines is providing service in your desired route, shall I book it?

USER: Please make sure the flight has 0 connection.

ASSISTANT: Sorry, there is no airlines providing direct flights in this route.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.