You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Scott Lee.

ASSISTANT: How may I help you?

USER: I am looking for a flight from Boston, can you help me in booking the flight  ticket from BOS to DEN?

ASSISTANT: Sure, I am here to help you. Could you please help me by providing the travel dates?

USER: Sure, I will start my journey on 04/20 and recur back on 04/22.

ASSISTANT: Ok, please hold on for a minute. I will search the flight and get back to you.

USER: Ok, I will wait for your response.

ASSISTANT: The Spirit airlines is providing the service from BOS to DEN, which is having a connection limit 1 and the price is 400. Can I proceed to book your ticket?

USER: That's perfectly match to my intents, proceed booking with that flight.

ASSISTANT: Ok, I have booked your ticket with the flight airlines Spirit and the flight number is 1019.

USER: Thank you for your expeditious service.

ASSISTANT: You are most welcome. Thank you for choosing our travel agency.