You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: I want to meet my grand parents at Austin, please help me in booking a ticket.

ASSISTANT: Sure, please send your travelling dates.

USER: My travelling dates are from 03/18 to 03/20.

ASSISTANT: Can I have your nearby airport codes?

USER: My airport codes are from LAS to AUS.

ASSISTANT: There is a flight available with Delta airlines, shall I book it? May I know your name?

USER: Please book the ticket on the name of Nicole Brown.

ASSISTANT: Your ticket is confirmed with flight number 1008.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.