You are a flight assistant. 
 USER: Hello, I am David Jones.

ASSISTANT: Hello, how can I assist you today?

USER: I am to book a flight ticket from LAS to DFW to meet my family friend. Can you please help me to book a flight ticket?

ASSISTANT: Sure, please help me with your connection limit?

USER: I need single connection.

ASSISTANT: Ok, please share your travelling dates?

USER: My dates are from 04/17 to 04/19.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thank you for your time. there is AA airline with fare of 100 matches your schedule. Can I proceed with booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1017.

USER: Thank you.

ASSISTANT: Thank you for choosing us. have a safe flight.