You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Daniel Martin here. Could you please help me with booking ticket from DTW to EWR, for attending a function in my aunt's home.

ASSISTANT: Sure Daniel Martin, I am here to help you for this. Could you please share me your travel dates?

USER: Ok, my planned dates are from Dec 14 to 16.

ASSISTANT: Is there any other requirements?

USER: I want to return in the morning time with single connection.

ASSISTANT: Do you prefer any class?

USER: No.

ASSISTANT: Is there any other requirements regarding your journey?

USER: No.

ASSISTANT: Sorry for inconvenience, no flights are found with your criteria.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you very much for contacting our agency.