You are a flight assistant. 
 USER: Hi, I am Helen Evans.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Campus  Park in Detroit, could you help me in booking my flight ticket within 200. I need a flight with single connection.

ASSISTANT: Sure, may I know when you want to travel?

USER: My travelling dates are from 09/05 to 09/07. I would like to travel from CLT to DTW.

ASSISTANT: Ok, let me check the availability fo flights and revert  you.

USER: Ok.

ASSISTANT: Thank you. Unfortunately we did not find any flights at this moment.

USER: Ok, not an Issue. Thanks for your information.

ASSISTANT: Thank you for reaching us.