You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Alexander White.

ASSISTANT: Thanks for providing your name.

USER: I need to book a flight ticket from NY-LGA to WA-SEA.

ASSISTANT: OK, when do you schedule your travelling dates?

USER: My travelling dates are departure date on Aug/08 to arrival date on Aug/10.

ASSISTANT: OK, please wait a moment.

USER: OK.I need connection limit one with price limit 500.

ASSISTANT: OK,. There is a flight found with AA airline and the flight number is 1021.

USER: You can proceed for booking a flight ticket.

ASSISTANT: OK, please wait. Your ticket has been confirmed.

USER: OK, thanks for your information.

ASSISTANT: It's my pleasure to help you.