You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to visit Atlanta, can you please book me a ticket from CLT to ATL?

ASSISTANT: Sure, can you please share your travel dates?

USER: My planned dates of journey are July 05 and July 07.

ASSISTANT: May I know your connection limit?

USER: I prefer direct flight for this trip.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No, thanks for asking.

ASSISTANT: May I know your name to proceed further?

USER: My name is Helen Williams.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: Ok, not an issue. I will find any alternate for this trip. Thank you for providing information.

ASSISTANT: Thank you for contacting us.