You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Can you please help me to book a flight from DFW to LAS?

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of journey?

USER: My planned travel dates are Oct 1st and 3rd.

ASSISTANT: Would you like to have a direct flight or a connecting flight for your trip?

USER: I am fine with any one of them.

ASSISTANT: Can you please provide your name for reservation purpose?

USER: My name is Dennis Brown.

ASSISTANT: I have found a direct flight having a ticket fare of 200 which is provided by Delta airlines in an economy class. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: You are welcome, thank you for reaching us. I have booked your flight ticket with the flight 1019.

USER: Thank you for your help.

ASSISTANT: You are welcome.