You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: Helen Phillips here.

ASSISTANT: Yes, Helen.

USER: I need a reservation on the route from Chicago to Seattle for meeting my husband on his birthday.

ASSISTANT: That's good. May I know the exact airport codes of Chicago and Seattle?

USER: My exact airport codes will be from ORD to SEA.

ASSISTANT: Ok, let me know your planning dates.

USER: 02/11 to 02/13 will be my travelling dates for this journey.

ASSISTANT: Helen, please hold on for a moment.

USER: Make sure if the connection limit is only 1.

ASSISTANT: Ok.

USER: I will be preferring economy class with the price within 500.

ASSISTANT: Delta airline is available on your dates with 1 connection and price of 100 as per your request. Shall I proceed to book?

USER: You can book it for me.

ASSISTANT: Helen, your ticket is confirmed with flight number 1022.

USER: Thank you for your service and quick response.

ASSISTANT: Welcome. Thank you flying with our service.