You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Jacob Taylor here, can you please check for the flights on the route from DCA to MSP as I need to meet my aunt?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My journey dates are from 21st Jan to 23rd Jan. \.

ASSISTANT: Please give me a moment.

USER: I would prefer a normal cost airline.

ASSISTANT: Sorry, no flights are available on your route.

USER: Oh! That's fine. Thank you for checking.

ASSISTANT: Welcome, have a nice day.