You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: My name is Nancy Collins. In DCA location my friend is staying, planning to meet him and trying to book a plane ticket from SEA. Please help me in booking process.

ASSISTANT: Sure, can I know your travelling dates please?

USER: Sure, my planned journey dates could be from 03/27 to 03/29.

ASSISTANT: We found a flight for you in UA airline with 1 connection. Shall I proceed with the booking?

USER: May I know the price of that plane ticket?

ASSISTANT: The price of the ticket is 200.

USER: Fine, please proceed and confirm my plane ticket.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1009.

USER: Thanks a lot.

ASSISTANT: Most welcome.