You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I help you out?

USER: I am John Miller. Can you please make a reservation from DFW to attend a conference in LGA?

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

USER: My journey start on May 27th and intend return back on May 29th.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Ok, proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1019.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.