You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Catherine Green. I am planning to attend for a seminar in DFW.Can you please help me to book a flight ticket from HOU?

ASSISTANT: Sure. May I know the full details of journey?

USER: My preferable dates are 03/16 and 03/18. Please make sure that the connection is 1.

ASSISTANT: There is  a flight with number 1015 with airline:Delta. Connection is as per your request. Can I book it?

USER: Ok, please book the ticket.

ASSISTANT: Your ticket is booked. Have a safe flight.

USER: Thank you for the help.

ASSISTANT: My pleasure.