You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,  how may I serve you at this moment?

USER: I am Catherine Johnson. Can you help me in booking a flight from EWR to MSP?

ASSISTANT: Sure, we are gleeful  to help you. When you are planning to make your journey?

USER: I want to fly on July 23 and return on July 25.

ASSISTANT: Do you prefer any connection in between journey?

USER: Yes, I need a halt.

ASSISTANT: Sorry there are no flights  are available matching your journey dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for approaching us.