You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Please help me to book a flight ticket from EWR to LAX.

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Elizabeth Davis here.

ASSISTANT: Please help me with your planned travelling dates.

USER: My trip dates are 09/21 and 09/23.

ASSISTANT: Do you need a break in your journey?

USER: No, I prefer to travel on a direct flight.

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

USER: No, thanks for asking.

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

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

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