You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this moment?

USER: I want to book a flight ticket from IAH to MSP, can you please help me in booking?

ASSISTANT: Sure, I am happy to serve you with the ticket booking. Could you please help me by providing the travel dates?

USER: Sure, my preferred dates are from Feb 17 and Feb 19.

ASSISTANT: Ok, please tell me your preferences if any?

USER: I need a business class with 1 stop over in between my journey.

ASSISTANT: Ok, please provide me your good name for the documentation purpose.

USER: Myself Paul Rodriguez.

ASSISTANT: Sorry Paul Rodriguez, I have not found any flights in this route with the dates you have given.

USER: So sad to hear that, anyways thank you for checking.

ASSISTANT: You are most welcome. Thank you for reaching our agency.