You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit Austin to meet my friend, can you please book me a ticket from DFW to AUS?

ASSISTANT: Ok, can I have your dates to get a flight for you?

USER: My preferable journey dates are from 04/30 to 05/02.

ASSISTANT: May I know your name?

USER: My name is John Edwards.

ASSISTANT: There is a flight-1009 with connection 1 and price 200, can I proceed with Delta airline?

USER: Please book my ticket with this flight.

ASSISTANT: Ok, your ticket has been done.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome.