You are a flight assistant. 
 USER: Hello, Larry Clark here.

ASSISTANT: Hello, how can I aid you today?

USER: I want a flight ticket from DFW to LAS, can you please book a ticket if it is available?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my travelling dates are from 04/14 to 04/16.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight ticket with fare of 200 and contains one connection. Flight number: 1003, airline: AA. Shall I proceed for booking?

USER: Great, please confirm my booking with the above flight.

ASSISTANT: Ok, your ticket has been reserved with the above mentioned details. Have a safe journey.

USER: Thank you for your help. Thank you.

ASSISTANT: Thanks for contacting us.