You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Betty Smith here. As there is a medical meet in DTW, I would like to travel from CLT.

ASSISTANT: Sure Carol Scott, can I know the travel dates please?

USER: My travelling dates are from 01/04 to 01/06.

ASSISTANT: Ok, wait a moment. Sorry, there are no flights on your dates.

USER: That's ok. Thank you for your support.

ASSISTANT: You are welcome.