You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in reserving a flight from DEN to reach EWR?

ASSISTANT: Sure, I will help you. Please help me with your planned travelling dates.

USER: Thank you, my travelling dates are May 30th and June 1st.

ASSISTANT: Please help me with your name.

USER: I am Jessica Parker.

ASSISTANT: Do you need a break in between your journey?

USER: I prefer a flight with single connection.

ASSISTANT: Do you have any other preferences in your journey?

USER: I don't have any other preferences.

ASSISTANT: Jessica Parker, I am really sorry to inform you that there are no flights available for your journey.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us. Have a great time.