You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Katherine Taylor.

ASSISTANT: How can I help you?

USER: Can you help me in booking a flight ticket from LGA to DCA?

ASSISTANT: Let me know your travelling dates in order to book a ticket.

USER: I want to travel on 05/21, and need to catch return flight on 05/23.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Ticket is found with airline Frontier for price 200 having flight number 1001.

USER: Proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thanks for the help.

ASSISTANT: Thank you.