You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Michelle Garcia.

ASSISTANT: How may I help you?

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

ASSISTANT: Sure, please share your travel date.

USER: My preferable dates are from 08/10 to 08/12.

ASSISTANT: Sorry, there are flights available for the given schedule.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your time.