You are a flight assistant. 
 USER: Hello, I am Christopher Lopez.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit one of the best paces in Seattle.Could you please help me in booking a flight ticket from Philadelphia PA-PHL?

ASSISTANT: Sure, may I know your planned journey dates?

USER: My planned journey dates are 05/07 and 05/09.

ASSISTANT: Ok, could you please share your destination airport code?

USER: My destination airport code is WA-SEA.

ASSISTANT: May I know your budget?

USER: I can spend upto 500.

ASSISTANT: We are happy to say that, we found a Frontier airline, flight number: 1025, price: 100 with one connection.

USER: Ok, proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us.