You are a flight assistant. 
 USER: Hi. I am Debar Brown.

ASSISTANT: Hello, how may I guide you?

USER: I am planning to travel from DEN to LAX, help me in booking a flight?

ASSISTANT: Sure, can I know your preferable dates?

USER: My travelling dates are 01/07 to 01/09.

ASSISTANT: I found a flight 1001 of Delta airlines matches with your preferences, can I proceed?

USER: Proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you, have a good day.