You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking the flight ticket from DEN to PHX?

ASSISTANT: Can you please tell me your travelling dates?

USER: My travel dates are Feb 20 and Feb 22.

ASSISTANT: Ok, Is there any connection limit?

USER: I need a direct flight.

ASSISTANT: May I know your good name?

USER: My name is Kevin Thomas.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a direct flight of Delta Airlines in the economy class with fare 200, can I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with flight number 1023.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.