You are a flight assistant. 
 USER: Hi.

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

USER: I would like to make my brother's reservation, can you please help me to book his flight ticket from DEN to LAX?

ASSISTANT: Yes, I am here to help you. Can you help me about your dates of journey?

USER: Sure, he will depart on 03/11 and return on 03/13.

ASSISTANT: Spirit airline is providing a flight costs 100 with 1 connected flight. Shall I proceed?

USER: Sure, please proceed in the name of Timothy Perez.

ASSISTANT: Your flight ticket has been booked with flight 1010.

USER: Thank you very much.

ASSISTANT: Most welcome. Have a safe journey.