You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you find a flight for me from PHX to DCA?

ASSISTANT: Can I know your travelling dates?

USER: Ok, my trip dates are from Nov 22 to 24.

ASSISTANT: May I know your connection limit?

USER: I would like to return in the evening time with 1 connection.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: May I know your name?

USER: Ok, Emily Anderson here.

ASSISTANT: Sorry, no flights available on your route.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for reaching us.