You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Janet Collins.

ASSISTANT: How can I help you Janet Collins?

USER: I want to meet my sister at Dallas, please help me in booking a ticket.

ASSISTANT: Sure, can you please provide your travelling airport codes?

USER: My airport codes are from LAS to DFW.

ASSISTANT: May I know your preferable journey dates to proceed further?

USER: My journey dates are from 02/13 to 02/15.

ASSISTANT: Hawaiian airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is booked with flight number 1003.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe journey.