You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I want to book a flight a from DCA to visit my home at New York. Can you find me a flight to JFK?

ASSISTANT: Sure, I will help you out. When are you planning to start and return?

USER: I will travel on May 21 and return on May 23.

ASSISTANT: Ok, let me know your connection limit.

USER: I prefer a connecting flight.

ASSISTANT: May I know your good name?

USER: My name is Donna Adams.

ASSISTANT: Is there any other concerns?

USER: No.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: We found a direct flight with a fare of 100 in 1025 Frontier Airline, shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.