You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Katherine Edwards.

ASSISTANT: Ok.

USER: I want to book a ticket from DC-DCA to NY-LGA.

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are from 09/30 to 10/02. May sure that price limit must be 1000 and connection limit must be 1.

ASSISTANT: The airline UA of flight number 1001 is available. Shall I proceed?

USER: Ok. proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for quick response.

ASSISTANT: Thank you.