You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from ORD to SEA?

ASSISTANT: Sure, please share your planned travel dates?

USER: My trip dates are Apr 10 to Apr 12.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Can I have your name please?

USER: My name is Shirley Hall.

ASSISTANT: Frontier Airline flight 1003 available with connection limit 0 and fare is 200, shall I confirm this economy class flight?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.