You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: Could you please check the flight availability in normal cost airline?

ASSISTANT: When you are willing to travel?

USER: I want to travel on Dec 30 and return on Jan 01.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: May, I know your good name?

USER: My name is Carolyn Anderson.

ASSISTANT: Do you have any class preference?

USER: I prefer an economy class.

ASSISTANT: Can you help me with your airport codes?

USER: I am heading to ORD from MSP.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.