You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Mary Parker. Can you please help me in booking my flight ticket from DCA to LGA?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Sept 03 and Sept 05.

ASSISTANT: Do you have any specification?

USER: I need my ticket in economy class with connecting flight.

ASSISTANT: Sorry, there is no flight on your details.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you.