You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you help me to book a flight ticket from LAS to EWR?

ASSISTANT: When you are willing to travel?

USER: I will start on Oct, 26 and return on Oct, 28.

ASSISTANT: May, I know your good name?

USER: Patricia Anderson here.

ASSISTANT: Let me know your connection limit?

USER: I would prefer single connection.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: That's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.