You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I want to fly from EWR to LAS. Can you check the flight from that route?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My planned travel dates are 09/09 and 09/11.

ASSISTANT: Can I know your name please?

USER: Sure, Sharon Smith here.

ASSISTANT: Do you need any specifications in airlines?

USER: I want a flight with one connection.

ASSISTANT: Can I know your other preferences?

USER: No more, specifications please.

ASSISTANT: Sorry, there are no flights found in our database.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.