You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Kevin Lee.

ASSISTANT: How may I help you?

USER: Please help me in booking a flight ticket with fare 1000 to reach Phoenix, PHX as I have to attend a family function.

ASSISTANT: Sure. Please provide your journey dates?

USER: My journey dates are from 02/17 to 02/19.

ASSISTANT: Please specify boarding airport code?

USER: My boarding point is Chicago, ORD.

ASSISTANT: Ticket is available with airline Delta, price is 300.

USER: Please make it confirm.

ASSISTANT: Flight connections is 1 with number 1028.

USER: Ok.

ASSISTANT: Ticket is booked.

USER: Thank you for assisting me.

ASSISTANT: Thanks.