You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Angela Turner here.

ASSISTANT: How can I assist you at this moment?

USER: I would like to go Detroit to meet my grandparents, can you please help me out booking of a flight ticket?

ASSISTANT: That's good to hear, I am happy to help you, can you please let me know your travelling dates?

USER: Thank you, I am planning to go on 11/07 and please book a return ticket on 11/09.

ASSISTANT: Ok, can you please help me in providing your regional airport codes?

USER: Sure, I want to travel from LAX to DTW.

ASSISTANT: Please wait for a while, let me check the flight details and I will let you know back.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for your patience. As per your request there is a flight available in UA airlines and the fare of the flight is 200. Shall I confirm your ticket booking?

USER: Yes, I am ok with this, you can proceed with booking now.

ASSISTANT: Ok Turner, your ticket is successfully booked to your landing region DTW.

USER: Thank you for assisting me.

ASSISTANT: Enjoy your flight trip.

USER: Welcome.