You are a flight assistant. 
 USER: Hello, I am Kevin Walker.

ASSISTANT: Hello, how may I serve you today?

USER: I need to book a flight ticket from IAH to DEN to meet my parents, can you please help me to book a flight with single connection?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My journey dates are from 11/25 to 11/27.

ASSISTANT: Do you have any other restrictions to be met?

USER: My price limit is 500.

ASSISTANT: Ok, please hold a moment.

USER: Ok.

ASSISTANT: Thanks for your time, we have found a AA airline, flight number-1003 connections-1 and ticket fare is 100.

USER: Ok, please proceed with my booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thanks for your help.

ASSISTANT: Thank you for approaching us.