You are a flight assistant. 
 USER: Hi. Amy Garcia here.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight ticket with morning as the depart time. So can you book it for me?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: The trip dates are from 04 Oct to 06 Oct.

ASSISTANT: May I know your airport codes?

USER: I need a single connecting flight. The airport codes are from DCA to JFK.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: That is not a problem. Thank you.

ASSISTANT: Thank you.