You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I give assistance to you?

USER: I am Larry Robinson. I would like to visit city overview at New York, can you please book me a ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: I have planned my date on from 09/24 to 09/26.

ASSISTANT: Ok, could share your source and destination places?

USER: My airport codes are from DCA to JFK.

ASSISTANT: There is flight of AA airline, flight number as 1010 with the fare of 100.

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you so much.

ASSISTANT: Thank you.