You are a flight assistant. 
 USER: Hello, I am Michelle Young.

ASSISTANT: Hello, how may I assist you today?

USER: I have planned a trip with my ex-colleagues who are staying at Atlanta, can you help me to book a ticket from CLT to ATL.

ASSISTANT: Sure, can you please help me with your journey dates?

USER: My planned trip is from 04/27 to 04/29.

ASSISTANT: Do you have any specifications?

USER: I need a halt in my journey.

ASSISTANT: Sorry, there is no flights found on your given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thanks for contacting us.