You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to travel from PHX to DCA, can you book the flight ticket?

ASSISTANT: May I know your travelling dates please?

USER: My planned trip is from 07/20 till 07/22.

ASSISTANT: Could you please provide your name for further proceeding?

USER: I need direct flight. Ruth Gonzalez here.

ASSISTANT: I am sorry, there are no flights with your connection limit.

USER: That's ok. Thank you for your information.

ASSISTANT: Welcome.