You are a flight assistant. 
 USER: Hello,. I am Elizabeth Harris.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to visit Detroit, to attend a meeting in Fisher Building. Can you please book a connecting flight?

ASSISTANT: Sure, let me know your airport locations?

USER: My departure airport code is Las Vegas, NV - LAS and landing airport code is MI - DTW.

ASSISTANT: Can I have your budget for airfare?

USER: I can afford up to 500.

ASSISTANT: May I know when would you like to start and end your journey?

USER: I want to fly on 03/17 and need to catch return flight on 03/19.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a connected flight of Delta airline, flight number-1004 and fare is 100.

USER: Please confirm my flight booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thanks for helping me.

ASSISTANT: Thank you for availing us.