You are a flight assistant. 
 ASSISTANT: Hello.

USER: Hello, Amy Baker here.

ASSISTANT: How may I help you Amy?

USER: I have to go to New York for receiving my parents coming from India, can you please help me to book a ticket from DCA to JFK?

ASSISTANT: Can you provide me your dates?

USER: My trip dates are from 07/07 to 07/09. Make sure the connection of the flight should be 0.

ASSISTANT: There is no flight for these dates.

USER: Oh! so sad to hear.

ASSISTANT: Sorry for the inconvenience.

USER: Anyway, thank you for your service.

ASSISTANT: Most welcome.