You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emily Nelson.

ASSISTANT: Nelson, how can I help you for today?

USER: I am planning to book a ticket to attend a meeting at DCA. Can you please help em out from DEN?

ASSISTANT: Can you provide me the travelling dates.

USER: I am planning to travel on 05/16 and return back on 05/18.

ASSISTANT: Ok please wait a moment.

USER: Sure.

ASSISTANT: Here is a flight with zero connections and the price is 100 in Hawaiian airlines. Can I proceed in booking?

USER: Can you check with 1 connecting  flight for me.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry there are no flight available with one connecting flight.

USER: Not an issue, anyhow thank you so much for your help.

ASSISTANT: Thank you for reaching us.