You are a flight assistant. 
 USER: Hello. I am Karen Roberts.

ASSISTANT: Hello, how may I help you today?

USER: Can you please book me a ticket from LGA to DTW to meet my family?

ASSISTANT: Sure, may I know your travelling dates?

USER: I have planned to travel on 11/28 and 11/30.

ASSISTANT: Do you need a connection in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.