You are a flight assistant. 
 USER: Hello. I am James Rodriguez.

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

USER: I am looking for a connecting flight in normal- cost airlines, could you please help me with booking a flight ticket with my requirement?

ASSISTANT: When you are willing to travel?

USER: I would like to depart on Mar 1st and return on Mar 3rd.

ASSISTANT: Can you help me with your source code?

USER: My source airport code is BOS.

ASSISTANT: Do you have any other requirements?

USER: I need a flight ticket in economy class.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: I have already mentioned above.

ASSISTANT: Can you help me with your destination airport code?

USER: My destination airport code is MSP.

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

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.