You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to book a flight ticket to DFW from PHL, can you please help me out?

ASSISTANT: Sure, let me know your travelling dates?

USER: Sure, my planned travelling dates are Feb 17 and Feb 19.

ASSISTANT: Do you have any connection limit?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Is there any other specifications?

USER: Yes, I prefer normal cost airline.

ASSISTANT: May I know your name?

USER: Sure, my name is Ashley Gonzalez.

ASSISTANT: Thanks for your details, there is no flight found on your desired journey routes.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for availing us.