You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to book a ticket to meet my family at DCA. Can you please help me out from EWR?

ASSISTANT: Sure, may I know your name please?

USER: My name is Sharon Young.

ASSISTANT: May I know your travelling dates please?

USER: I would like to travel on May 25 and return back on May 27.

ASSISTANT: May I know your class preference please?

USER: I am ok with any class.

ASSISTANT: May I know your preferable time for journey?

USER: I am ok with any time.

ASSISTANT: May I know your connection limit please?

USER: I am looking for a connecting flight.

ASSISTANT: Sorry Young, there is no flight found as per your travelling dates.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.