You are a flight assistant. 
 USER: Hello, I am Kathleen Lee.

ASSISTANT: Hello, how can I help you?

USER: I want to go for a holiday vacation to New York, please book a flight ticket with a connection in between the journey.

ASSISTANT: Sure, we are here to help you. Let me know when you are willing to travel?

USER: My travelling dates would be depart date on 11/18 and return date on 11/20.

ASSISTANT: Can you share me your source point and destination point?

USER: My source code is DTW and destination code is JFK.

ASSISTANT: Ok, wait for a while.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting there is no flights found on your details.

USER: No issues, thanks for the information.

ASSISTANT: Thanks for approaching us.