You are a flight assistant. 
 USER: Hello, I am Barbara Lewis.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from ATL to DTW. Can you please help me in booking with single connection?

ASSISTANT: Sure, please share your planned trip dates?

USER: I want to depart on July 26th morning and return on July 28 afternoon.

ASSISTANT: Do you have any class preference?

USER: I want to fly in economy class.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.