You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please avail me a flight ticket from DCA to ORD?

ASSISTANT: Ok, I am glad to help you with that. Can I know your planned journey dates?

USER: My trip dates are 12/18 - 12/20.

ASSISTANT: May I know your good name?

USER: Mary Lee myself.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Frontier airlines are providing a flight having a connection limit 0 and the ticket fare of 100. Can I proceed with the ticket booking?

USER: Please proceed to book.

ASSISTANT: Your flight ticket is confirmed in an economy class and the flight number 1024.

USER: Thank you.

ASSISTANT: Thank you for approaching us. Have a safe journey.