You are a flight assistant. 
 USER: Hi. I am Robert Miller.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a ticket from DCA to PHX, hope you are helping me out.

ASSISTANT: Sure, can you please share me with your dates of travel?

USER: Sure, my travel dates are 09/10 and 09/12.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a direct flight of fare 100, are you ok with this booking?

USER: I am looking for a connecting one, can you find it for me if possible?

ASSISTANT: Sorry, there is no flight with the connecting flight.

USER: It's ok, thanks for your information.

ASSISTANT: You are welcome always.