You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Sandra Parker. I would like to book a ticket to Charlotte, to attend a business meet.

ASSISTANT: Sure, let me know your travelling dates.

USER: My itinerary dates are Oct 10 and Oct 12.

ASSISTANT: Please share your airport codes.

USER: My genesis and terminus airport codes are DTW and CLT.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: No issue, Thank you for the information.

ASSISTANT: Thank you for choosing us.