You are a flight assistant. 
 USER: Hello, Katherine Garcia here.

ASSISTANT: Hello. How may I help you?

USER: I want to travel in a direct flight, so can you please help me to book a flight?

ASSISTANT: Sure, may I know your airport codes?

USER: My origin is from ATL and destination is DTW.

ASSISTANT: Ok, can you please provide me travelling dates?

USER: My preferable dates are from 01/17 to 01/19. Make sure that flight should be with in the fare of 5000. Can you please check for it?

ASSISTANT: There is no direct flight available for you.

USER: Ok, thank you for the information.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.