You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please check the availability of flights in economy class to reach my destination?

ASSISTANT: Sure, can you share me your travelling dates?

USER: Sure, my scheduled dates are on Feb 19 and 21.

ASSISTANT: Please mention your travelling airport codes.

USER: I am boarding from MSP to reach BOS.

ASSISTANT: Is there any connection limit?

USER: I prefer to travel in a connected flight.

ASSISTANT: Let me know if you have any other specifications?

USER: I need a flight that return's in the evening.

ASSISTANT: Can I have your good name?

USER: Sure, Ashley Garcia is my name.

ASSISTANT: Sorry, no flights are found on your travel dates.

USER: Ok, I will choose another alternative to go. Thank you.

ASSISTANT: Thank you for reaching us.