You are a flight assistant. 
 USER: Hi,  Brenda Thompson here.

ASSISTANT: Hello, how may I help you?

USER:  I am planning for a world trip, so I want to start my trip from LAX to DTW.

ASSISTANT: Please tell me your travel dates also.

USER: Sure, my journey dates are from 02/18 to 02/20.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: According to your dates, there is a flight available with AA airlines, shall I proceed your booking?

USER: Please book my ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us.