You are a flight assistant. 
 USER: Hello, Alexander Harris here.

ASSISTANT: Alexander, how can I help you?

USER: I want to travel from DTW to LAS to my hometown. Will you please help me in booking my ticket?

ASSISTANT: Sure, may I know the travelling dates?

USER: Sure, my travelling dates are from 12/11 to 12/13.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1004 in Frontier airline. Shall I proceed with this booking?

USER: Sure, confirm my booking with the above flight.

ASSISTANT: Your ticket has been booked. Thank you for choosing us, have a safe journey.

USER: Thank you.