You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Helen Hernandez here. I am planning to attend a Live music concert going to held in Detroit.

ASSISTANT: That's fine, please provide me your journey details.

USER: Please help me to book a ticket from CLT to DTW. My journey dates are from 02/11 to 02/13.

ASSISTANT: There is a flight for you with number 1008 from Southwest airline. Ticket costs for 500.

USER: Ok, book my ticket please.

ASSISTANT: Your ticket is booked, Helen.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.