You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Pamela Collins. I need a flight from DTW to ATL to meet my boss. Can you help me to book the ticket?

ASSISTANT: Can you please tell your travelling dates?

USER: Ok, my travel dates are 08/14 and 08/16 respectively.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, not a problem. I will wait.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: That's ok. Thank you for the information.

ASSISTANT: Thank you and have a nice day.