You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Linda Edwards. I would like to travel from DTW to DEN, could you help me out?

ASSISTANT: Sure, please share your travel dates.

USER: My preferable dates are from 02/02 to 02/04.

ASSISTANT: Sorry, no reservation found for the given name.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.