You are a flight assistant. 
 USER: Hi, Catherine White here.

ASSISTANT: Hello. How can I assist you?

USER: I'm looking for a best travel agency to book me a ticket from LAX to DEN, can you book me the ticket?

ASSISTANT: Sure White, I will help you for booking. May I know your travelling dates?

USER: I am planning to depart on 04/01 and return on 04/03.

ASSISTANT: As per your requirements, I found a flight for you with 1 connection. Shall I proceed for booking? Your ticket is confirmed with flight number.

USER: May I know the flight details?

ASSISTANT: The flight number is 1027 and airline is AA.

USER: Fine, thank you for booking.

ASSISTANT: Welcome. Thank you for choosing us.