You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Nicholas Allen.

ASSISTANT: How can I assist you Nicholas Allen?

USER: I would like to enjoy my weekend at Amusement park in Dallas. Can you help me in booking a ticket from ORD to DFW?

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

USER: My planned journey dates are 06/25 and 06/27.

ASSISTANT: Give me a moment please.

USER: Ok, take your time.

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

USER: Please book the ticket.

ASSISTANT: Your ticket is booked with flight number 1006.

USER: Thank you for your assistance.

ASSISTANT: Thank you, have a safe journey.