You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sharon Martin.

ASSISTANT: How can I assist you today?

USER: Can you help me in booking from EWR to DTW, as there is a business meeting to attend?

ASSISTANT: Sure, may I know your travel dates please?

USER: My trip dates are Dec 31 to Jan 02.

ASSISTANT: May I know your class preference please?

USER: I need a connecting flight which return time is morning.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, there are no flights available on those dates with your given details.

USER: No issue, thank you.

ASSISTANT: Thank you for choosing us.