You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I want to meet my brother on his birthday, could you please help me to book my flight ticket from DEN to DFW?

ASSISTANT: Sure, I am gleeful to help you out. Please provide me your trip dates.

USER: Sure, I will depart on 03/15 and also please book my return ticket on 03/17.

ASSISTANT: May I know your name to proceed further?

USER: My name is Michael Lee.

ASSISTANT: Here is a flight with 1 stop and price is 100 in UA airlines, can I proceed with it.

USER: Sure, you can proceed for booking the ticket.

ASSISTANT: Your ticket has been booked with 1006 flight.

USER: Thank you very much for your help.

ASSISTANT: Thank you for reaching us.