You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Margaret Parker.

ASSISTANT: How may I help you today?

USER: I planned to  meet my cousin in IAD, can you please help me to book a flight ticket from DCA?

ASSISTANT: Sure, I am happy to help you with that. Can I know your planned trip dates?

USER: I prefer to travel on May 14 and May 16.

ASSISTANT: Do you have any specifications?

USER: I prefer to travel in 1 connecting flight.

ASSISTANT: Based on your travelling dates. I have found a flight with the Frontier airlines having a connection limit 1 and the ticket fare 300. Can I proceed with the booking?

USER: Ok, please confirm my booking.

ASSISTANT: I have confirmed your ticket with the flight number 1027.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us. Have a great journey.