You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Samuel Thomas. I would like to take my children to DFW, can you please help me to book a flight ticket from DTW to DFW?

ASSISTANT: Let me know your travelling dates.

USER: Sure, my travel dates are Feb 13 and Feb 15.

ASSISTANT: Do you have any preference?

USER: My departing time is evening.

ASSISTANT: Connecting flight can be booked with airline JetBlue for price 100 having flight number 1001.

USER: Ok, please confirm the booking.

ASSISTANT: Ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks.