You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory Allen.

ASSISTANT: How can I help you?

USER: I am planning to book a ticket to meet my friend at PHL. Can you please help me out from SEA?

ASSISTANT: Sure, I am here to help you. Could you please share your planned journey dates?

USER: I would like to travel on Apr 20 and return back on Apr 22.

ASSISTANT: Do you have any other requirements?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Give me a minute, I will search for a flight on your route.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available with price 100 and single connection in American Airlines. Can I confirm it?

USER: That' s fine, please proceed the booking.

ASSISTANT: Your reservation has been confirmed in economy class with flight number 1021.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.