You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Perez.

ASSISTANT: I hope you are good, how can I assist you?

USER: I am planning to visit my childhood friends form AUS to DTW. Can you help me out?

ASSISTANT: Sure, I am happy to help you. May I know the take off and return date of your journey?

USER: I would like to travel on 03/30 to 04/01.

ASSISTANT: Thank  you for your information. Sorry Carol, there are no flights found on your requirement. Do you have any other landing dates?

USER: That's so sad to hear. No I don't have any other requirement's.

ASSISTANT: Ok.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.