You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to make a flight ticket reservation from MCO to DCA, can you please help me?

ASSISTANT: Sure, let me know your travelling dates?

USER: Sure, my planned travelling dates are Feb, 26 and 28 respectively.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Is there any other preferences?

USER: I would like to depart in afternoon.

ASSISTANT: Can I know your good name?

USER: Sure, my name is Patrick Lee.

ASSISTANT: Thanks for your details, there is no flight found on your desired journey routes.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for approaching us.