You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: I need your assistance in booking my flight ticket to NY-LGA, help me in booking my flight ticket from WA-SEA.

ASSISTANT: Sure, we are happy to help you. Can you please let me know your travelling dates?

USER: Thank you. My travelling dates are from 12/21 to 12/23.

ASSISTANT: Ok, do you need any halt in between journey?

USER: I need a lay by.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: Thanks for the time, there is a flight found with a fare of 200 in AA airline. Shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been reserved in economy class and the flight number is 1012.

USER: Thank you.

ASSISTANT: Thank you for reaching us. We hope to serve you again.