You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I serve you today?

USER: Please book a ticket from Washington DC-DCA to Philadelphia, PA-PHL.

ASSISTANT: Sure, may I know your journey dates?

USER: My departure date is 02/17 and 02/19 is my return date.

ASSISTANT: Do you prefer a connection within your journey?

USER: Connections limit is 1.

ASSISTANT: Please share your good name.

USER: I'm Angela Rodriguez.

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting. There are no flights found according to your specifications.

USER: Thanks for the help.

ASSISTANT: Thank you for approaching us.