You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Mark Davis.

ASSISTANT: How may I help you out?

USER: I am planning to travel Angeles to promote my business. Can you please help me in reserving the ticket from DTW to LAX?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I will drop-off 04/13 and again I will retrieve on 04/15.

ASSISTANT: There is a flight with connection 1 and price 300, can I proceed?

USER: Sure, please proceed for this.

ASSISTANT: Ok, your ticket has been booked with flight number 1008.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for choosing us.