You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I need to attend an interview, can you please book the ticket from DCA to PHX?

ASSISTANT: Sure, I am here to help you, may I know your journey dates?

USER: Sure, my planned departure and return travel dates are 1st and 3rd of March.

ASSISTANT: Do you need any connection limit?

USER: I prefer single connected flight to travel.

ASSISTANT: If you have any other specifications let me know?

USER: I would like to depart in the evening time and I want to return in the afternoon time.

ASSISTANT: May I know your name?

USER: My name is Pamela Carter.

ASSISTANT: There are no flights available on your routes.

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

ASSISTANT: Thank you for choosing us.