You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking a flight ticket from PHX to DCA?

ASSISTANT: When you are planning to travel?

USER: I would like to fly on May 16 and return on May 18.

ASSISTANT: Do you prefer any connection limit?

USER: I need a direct flight.

ASSISTANT: May I know your specifications?

USER: I don't have any other specifications.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: I am sorry to say, there are no flights found on your name.

USER: Not an issue. Thank you.

ASSISTANT: May I know your name?

USER: Myself Ronald Garcia.

ASSISTANT: Thank you.