You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am Benjamin King. I need to book a ticket to meet my friend on 06/02 for writing an exam. Could you please help me in booking a ticket from DTW?

ASSISTANT: Sure, May I know the destination code?

USER: My destination airport code is CLT.

ASSISTANT: Please help me with your return date.

USER: I intend to return on 06/04.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: No problems, thank you for your information.

ASSISTANT: Thank you for opting us.