You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please book a flight ticket from SEA to PHL?

ASSISTANT: Sure, let me know your trip dates please?

USER: My journey dates are July 24 and July 26.

ASSISTANT: Do you need any preference?

USER: I need a connecting flight.

ASSISTANT: Can I know your name please?

USER: I am Angela Williams.

ASSISTANT: Frontier Airlines is providing connecting flight with the ticket fare of 300. Shall I proceed?

USER: Go ahead.

ASSISTANT: Your ticket has been confirmed by flight number 1017 and an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.