You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from JFK to DCA as I have to see my grandmother because she is unwell. Can you please help me to book the flight ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: I have to depart on 01/28 and return on 01/30.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I have found UA airlines with one connection.

USER: That's perfect! Please book the ticket on the name of Mary Martinez.

ASSISTANT: Yes, your flight ticket has been confirmed now.

USER: Thank you very much.

ASSISTANT: Thank you.