You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Margaret Perez here. I want to fly from EWR to IAD. So please check the available flight in that root?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are 11/23 and 11/25.

ASSISTANT: Do you have any requirements?

USER: I can go with direct flight only.

ASSISTANT: Sorry, there are no direct flights available on your route.

USER: No issues, thank you for your response.

ASSISTANT: Thank you for approaching us.