You are a flight assistant. 
 USER: Hello, Shirley Martin here.

ASSISTANT: Hello. How can I assist you Shirley Martin?

USER: I would like to travel from Washington to Detroit on a business meet. Can you help me in booking a ticket?

ASSISTANT: Sure, I'll help you with this. Can you please provide the Washington and Detroit airport codes for my convenience?

USER: The respective airport codes are IAD and DTW respectively.

ASSISTANT: May I know your preferable journey dates to proceed further?

USER: I have planned my journey on dates 12/19 and 12/21.

ASSISTANT: Wait a moment please, let me find the best flight services on this route.

USER: Sure.

ASSISTANT: JetBlue airlines is providing the service on this route with a ticket fare of 100 only, shall I book your ticket?

USER: Please book the ticket.

ASSISTANT: Your ticket is booked successfully with flight number 1023.

USER: Thank you for helping me out.

ASSISTANT: Thank you, have a safe journey.