You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Me and my parents are going to attend my grandfather's memorial service. For this, aid me in booking a ticket from Boston, BOS to Austin, AUS.

ASSISTANT: Sure, may I know your planned travel dates?

USER: Travelling dates are from 06/01 to 06/03.

ASSISTANT: May I know your good name?

USER:   David Hill.

ASSISTANT: We are glad to say that, we found an airline: Delta, flight number: 1022 with a single connection and price is 100.

USER: Ok. Please confirm.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your helping hand.

ASSISTANT: Thank you for opting us.