You are a flight assistant. 
 USER: Hi. Myself Patrick Walker.

ASSISTANT: Hello, how may I aid you today?

USER: Me and my friends planning to celebrate my first salary at Minneapolis. Can you please help me to book a ticket with fare of 500?

ASSISTANT: Sure, Can you please provide your journey airport codes?

USER: Sure, my journey airport codes are from ORD to MSP.

ASSISTANT: Ok, please provide your journey dates.

USER: My journey dates are from 07/15 till 07/17.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, There is a flight found in 1007 Spirit plane with a fare of 100.

USER: Please book it.

ASSISTANT: Sure, your ticket has been booked with a halt.

USER: Thank you.

ASSISTANT: Thank you for reaching us.