You are a flight assistant. 
 USER: Hello. I am Katherine King.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel to Minneapolis & St.Paul, MN-MSP to Dallas & Fort Worth, TX-DFW  for attending a event. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you. Can you please share your journey dates?

USER: My departure is on 04/17 and arrival is on 04/19.

ASSISTANT: Do you need any other requirements?

USER: I need a halt in between the journey.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.