You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I aid you today?

USER: I want to book a flight ticket on 11/24 to 11/26. Will you help me in flight booking?

ASSISTANT: Sure, we are always here to help you. Kindly mention your source and destinations?

USER: I am planning to attend seminar in Austin, TX - AUS and my origin from MI - DTW.

ASSISTANT: Ok, please hold on a minute. I will check with flight availability and revert you.

USER: Sure.

ASSISTANT: Thanks for being holding, we found a Delta airline available for you. Price : 300 with connection : 1. Shall I go through the booking?

USER: Don't proceed my price limit is 200. Thank you for your quick response.

ASSISTANT: Within that price no flights are there. May I know your name to end up this conversation?

USER: My name is Christopher Williams.

ASSISTANT: Thanks for contacting us, have a nice day.

USER: Thank you.