You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you today?

USER: I am Shirley Hill. I want to attend Bioneers conference on Food and Farming in New York, LGA. Can you please help me in booking with connected flight?

ASSISTANT: Sure, please help me with your departure airport code?

USER: My origin airport code is Boston, BOS.

ASSISTANT: Ok, when do you like to travel?

USER: I would like to travel on 08/10 to 08/12.

ASSISTANT: Ok, please wait I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we have not found any flights with your requested details.

USER: Ok, no problem. Thank you for your  valuable information.

ASSISTANT: Thanks for contacting us.