You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to travel from CLT to HOU. Can you help me to book a flight ticket?

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

USER: I want to travel in the flight on Mar 16 and Mar 18.

ASSISTANT: Do you have any preferences about flight connections?

USER: I want to travel in a connecting flight,.

ASSISTANT: Do you have any preferences about class?

USER: I want to return in morning time.

ASSISTANT: Please mention your name.

USER: James Carter.

ASSISTANT: The American airlines providing an economy class flight with price 100 and the direct flight. The class is economy.

USER: Proceed to booking.

ASSISTANT: our ticket is booked. The flight number is 1021.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.