You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this moment?

USER: I am Laura Johnson. I want to meet my client at Washington-DC, can you please help me to book my flight ticket from LGA to DCA?

ASSISTANT: Sure, I am glad to help you with the ticket booking. What are your departure and return journey dates?

USER: I want to start my journey on Dec 22 and I will return back on Dec 24.

ASSISTANT: Ok, I will check the flight for you with this details. Tell me if you have any requirements?

USER: Yes, I only need single connection flight.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: There is a flight in the Frontier airlines which is matching to your requirements and the ticket cost is 100 in an economy class flight. Shall I proceed with the ticket booking?

USER: Yes, please book the ticket for me.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1000 which is departing in the afternoon time. Have a nice journey.

USER: Thank you very much for your help.

ASSISTANT: You are welcome. Thank you for choosing us.