You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Amanda Perez here.

ASSISTANT: How can I assist you at this moment?

USER: Can you please help me in booking the ticket from DCA to EWR? As I'm planning to visit New York.

ASSISTANT: Sure Amanda, I will help you with that. Can I have your travel dates please?

USER: Sure, my planned departure and return travel dates are 12/06 and 12/08.

ASSISTANT: Ok Amanda Perez, please wait a moment to check flight availability.

USER: Sure, I'll wait for your response.

ASSISTANT: Sorry Amanda Perez, no flight is available to you on your dates due to some weather conditions.

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

ASSISTANT: Thank you for choosing us, have a good day.