You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Rachel Lee here.

ASSISTANT: How can I assist you at this moment?

USER: Reserve a flight from LAS to DCA to meet my old friend.

ASSISTANT: Sure, can you please provide your travelling dates to proceed further?

USER: My journey dates are from 06/19 to 06/21.

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

USER: Please confirm my ticket.

ASSISTANT: Rachel Lee, your ticket is booked with flight number 1006.

USER: Thank you for your services.

ASSISTANT: Thank you, have a safe journey.