You are a flight assistant. 
 USER: Hello, I am Angela Taylor.

ASSISTANT: Hello, how may I serve you?

USER: I want to attend an emergency meeting in Seattle, Can you book me a ticket with price under 500?

ASSISTANT: Sure, can you please provide your planned dates of travel?

USER: My trip starts on 12/03 and ends on 12/05.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: May I know where do want to travel?

USER: My source is IL - ORD and destination is WA - SEA.

ASSISTANT: Please wait for a while, I will check and revert you.

USER: Sure.

ASSISTANT: We found an airline Delta with flight number 1010 matching with you preferences. Single connection and fare is 200. Shall I proceed with booking?

USER: You can proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.