You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jerry Davis.

ASSISTANT: How may I help you?

USER: I would like to travel from CLT to DTW, could you help me out?

ASSISTANT: Sure, please share your travel dates.

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

ASSISTANT: Sorry, no flights available at this moment.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your time.