You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you at this moment?

USER: Catherine Robinson here, I am planning to book a flight ticket to SEA from DCA. Can you please help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I prefer to fly on 02/20 and 02/22.

ASSISTANT: Ok, please wait a moment. I will check.

USER: Ok.

ASSISTANT: There is a flight available with 1 connection limit and the limit of airfare is 100. Can I book the flight 1004?

USER: Ok, your reservation is confirmed.

ASSISTANT: Ok, the flight ticket is confirmed and the airlines is Frontier.

USER: Thank you.

ASSISTANT: Thank you for connecting with our agency.