You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Me and my friends are planning to visit to the Kerry Park in Seattle, WA-SEA. Can you please help me in booking a flight ticket from Washington DC-IAD.

ASSISTANT: Sure, could you please provide me your journey dates?

USER: I am planning to travel on 02/21 to 02/23.

ASSISTANT: May I know your good name please?

USER: I am Robert Turner.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a Frontier airline, flight number: 1017, price: 100 with one connection.

USER: Please proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us.