You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Donna Wright.

ASSISTANT: Good evening Donna.

USER: I want to go Atlanta next month, can you please book a flight ticket from New York?

ASSISTANT: Sure, may I know your journey dates please?

USER: Thank you. I want to take off on 06/04 and book my return ticket also on 06/06.

ASSISTANT: May I know your source and destination airport codes please?

USER: I would like to fly from EWR and destination airport is ATL.

ASSISTANT: Donna, there are no flights available at this moment.

USER: Oh! So sad to hear it's ok no problem, I will go with another airline. Thank you for your service.

ASSISTANT: Thank you for contacting us.