You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I have planned a trip to DEN, so can you please help me with flight ticket booking from LAX locations?

ASSISTANT: Sure, May I know the journey dates?

USER: Thank you and I would like to depart on Mar 28 and I will arrive back on Mar 30.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connection flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, my name is Kenneth Hernandez.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Sad to hear that one, thank you for your search and the information.

ASSISTANT: Thank you for opting us.