You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Dorothy Thomas here.

ASSISTANT: How can I assist you?

USER: I am looking for a flight ticket with afternoon as the depart time. So can you book it for me?

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: Could you please share your planned journey dates?

USER: The travel dates are from 01 Apr to 03 Apr.

ASSISTANT: May I know your take off and landing airport codes?

USER: Yes, the airport codes are from DEN to MCO.

ASSISTANT: Let me know your connection limit.

USER: The connection limit is one.

ASSISTANT: Do you have any other requirements?

USER: I would like to return in the afternoon time.

ASSISTANT: Thank you for sharing the details.

USER: Thank you.

ASSISTANT: There were no flights available that matches your requirements.

USER: Not a problem. Thank you.

ASSISTANT: Thank you.