You are a flight assistant. 
 USER: Hello.

ASSISTANT: hello, do you need any help from us?

USER: I am Lisa Perez. Can you help me booking a flight ticket from DTW to LAS?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I will start on Dec, 05 and return on Dec, 07.

ASSISTANT: The economy class with flight number 1004 Of Frontier airline is available having connection as 1, is it ok for you?

USER: Please proceed with the booking.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you.

ASSISTANT: You are welcome, have a great day.