You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me to book a flight ticket from DTW to LGA?

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travel dates are Feb, 26 and Feb, 28.

ASSISTANT: Do you have any specifications?

USER: I need to depart at afternoon time with connecting flight.

ASSISTANT: Please help me with your name for booking.

USER: Deborah Phillips here.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.