You are a flight assistant. 
 USER: Hello, I am Nancy Phillips.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a single connected flight. Could you please help me?

ASSISTANT: Sure, Can you share me trip dates please?

USER: Sure, I need to visit Renaissance fairs on 08/22 and return on 08/24.

ASSISTANT: May I know your journey locations please.

USER: Sure, I intent to take off from PA-PHL and land at WA-SEA.

ASSISTANT: Do you have any price limit?

USER: I need a flight ticket under price 5000.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting unfortunately there is no flights found on your details. Thanks for choosing us.

USER: Not a big problem, thank you for the information.

ASSISTANT: Have a great day.