You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Justin Miller, I would like to visit New York city during winter season, can you please book a flight ticket?

ASSISTANT: Oh, may I know your travelling details please?

USER: I would like to travelling from DCA to JFK on dates of 01/26 and 01/28.

ASSISTANT: Please wait for a moment.

USER: Sure, take a time.

ASSISTANT: The flight with connection 1 and cost 200 with airline Spirit and number 1018 has found. Shall I proceed with the booking?

USER: Ok, please book it.

ASSISTANT: Your ticket has confirmed. Thank you.

USER: Thank you for your help.

ASSISTANT: Have a safe journey. You are welcome.