You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I want to book a ticket from CLT to DTW, can you help me?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travel dates are Jan 21 and 23.

ASSISTANT: Do you have any preferences about flight connections?

USER: I want a single connection.

ASSISTANT: Do you have any preferences about airline?

USER: No.

ASSISTANT: Please mention your name.

USER: I am Laura Perez.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: The United Airlines providing an economy class flight with price 100 and the connections 1. The departure time is 23:00 hrs and arrival time is 14:00 hrs. Shall I confirm your ticket?

USER: You can book it.

ASSISTANT: Your ticket is booked. The flight number is 1004.

USER: Thank you for booking.

ASSISTANT: Welcome, have a great day.