You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Can you aid me to book a flight ticket from ORD to DTW?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are Aug 26 and Aug 28 respectively.

ASSISTANT: Do you have any connection limit?

USER: I prefer for a connecting flight.

ASSISTANT: Any other preferences?

USER: My depart time should be in the evening.

ASSISTANT: May I know your name?

USER: Alexander Phillips here.

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

USER: Thank you for the help.

ASSISTANT: Thank you.