You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for the day?

USER: Jonathan Allen here. Can you book a ticket from DCA to LGA, for visiting few famous places over there?

ASSISTANT: Sure, do you have any price limit?

USER: My price limit is 1000 and below.

ASSISTANT: Help me with the trip dates?

USER: My travelling dates are Feb 20th and Feb 22nd. My at most connections should be a single connection.

ASSISTANT: There are no flights running in your desired routes.

USER: Ok,that's fine, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your service.