You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jerry Perez.

ASSISTANT: How can I help you at this moment?

USER: Can you help me to book a flight ticket from ATL to CLT?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: Nov, 1 and Nov, 3 are my preferable travel dates.

ASSISTANT: Do you have any connection limit for this journey?

USER: I need single connection.

ASSISTANT: May I know your specific depart and arrival timings for this trip?

USER: My depart time should be at afternoon and return time should be at evening.

ASSISTANT: Do you have any other specifications for this trip?

USER: No.

ASSISTANT: Jerry Perez, there are no flight services are available on this route with your preferences.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for contacting us.