You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to make my reservation because I have to meet my sister, can you please help me to book the flight ticket from ORD to DTW?

ASSISTANT: Sure, can I know the travel dates please?

USER: I would like to depart on 03/31 and also book the return ticket on 04/02.

ASSISTANT: May I know your name please?

USER: My name is Eric Lopez.

ASSISTANT: There is a flight in UA airline with price 100, can I book it?

USER: Yes, please book the ticket.

ASSISTANT: Your ticket has been booked with flight number 1011.

USER: Thank you very much.

ASSISTANT: Thank you for approaching us.