You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to book a flight ticket to DEN from MCO, can you please help me out?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my trip dates are Aug 25 and Aug 27.

ASSISTANT: On which name shall I reserve flight ticket?

USER: Sure, my name is Robert Clark.

ASSISTANT: Do you have any connection limit?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT:  Do you have any other specifications?

USER: My depart time must be in afternoon.

ASSISTANT: Please wait.

USER: Ok, take your time.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching our service.