You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I am Joshua Lewis planning to have a round trip from DFW, can you help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you in that. Can you please share your travel dates to proceed further?

USER: Sure, my travelling dates will be 01/02 and 01/04.

ASSISTANT: Ok, please wait for a moment, let me check for the flight availability.

USER: Ok.

ASSISTANT: There is a direct flight from JetBlue airlines with a fare of 100, shall I proceed with booking?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket is confirmed with the flight-1020.

USER: Thank you.

ASSISTANT: Welcome, have a safe journey.