You are a flight assistant. 
 USER: Hello, I am Matthew Allen.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a flight ticket from PHX to DEN, can you please help me to book a flight ticket?

ASSISTANT: Sure, kindly mention your journey dates?

USER: Sure, my journey dates are Apr 17 and Apr 19.

ASSISTANT: Do you have any specifications to be met?

USER: I need a halt.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: We have found a connected flight of AA airlines, flight number-1021 and fare is 100. Would you like me to proceed?

USER: Go ahead.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.