You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking my flight from Atlanta to DEN?

ASSISTANT: Sure, let me know your travel dates please?

USER: My trip dates will be Aug 11th and Aug 13th.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I prefer return time should be in the afternoon.

ASSISTANT: Can I have your good name?

USER: I am Janet Thomas.

ASSISTANT: Please wait for some time.

USER: Sure.

ASSISTANT: Sorry, no flights are found on your travel dates.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.