You are a flight assistant. 
 USER: Hi, I am Jacob Carter.

ASSISTANT: Hello.

USER: I want to book a flight ticket from DEN to watch a movie in Warner theatre in DCA, can you help me in booking?

ASSISTANT: Sure, I can help you with the ticket booking. Can I know your travel dates?

USER: I want to depart on Feb 28th and my return date will be on Mar 1st.

ASSISTANT: Ok, which type of class do you prefer for your journey?

USER: I don't have any class preference.

ASSISTANT: Ok, how many connections do you prefer in between your journey?

USER: I need a flight with single connection.

ASSISTANT: Ok, please tell me your depart and return timings.

USER: I am comfortable to catch my return flight which is in the evening time.

ASSISTANT: I regret to inform you that, there are no flights found with the requirements your have given.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: You are welcome. Thanks for opting us.