You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Anderson.

ASSISTANT: How can I help you now?

USER: I am planning to attend a birthday party at Denver, help me in booking my flight ticket to CO-DEN.

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: My departure date is 01/02, my return date is 01/04.

ASSISTANT: May I know the origin airport code please?

USER: My origin point is CA-LAX.

ASSISTANT: There is a flight 1024 in Delta airline has the price 100. Shall I proceed with this booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.