You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Frank Thomas here. Reserve a plane ticket from DTW to CLT to meet my aunty.

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

USER: My preferable travel dates are from 11/24 to 11/26. I need 1 connection flight.

ASSISTANT: No flights found on those dates, Frank.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for choosing us.