You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: I am Jeffrey Adams. Can you please help me to book a ticket from JFK to DTW?

ASSISTANT: Sure, May I know your travelling dates?

USER: My travelling dates will be on July 29 to July 31.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I want to depart in the morning and return in the afternoon.

ASSISTANT: Is there any preferences?

USER: No.

ASSISTANT: Thanks for the details, there are no flights found on your data.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you.