You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Emma Clark, planning to visit New York. Can you please book me a ticket from DCA to JFK?

ASSISTANT: Sure, I will help you in booking the flight ticket. May I know your travel dates?

USER: Thank you. My preferable journey dates are from 08/13 to 08/15.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: As per your intents there is a connecting flight is available in Delta airlines. Shall I proceed?

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket has been confirmed for the flight 1002.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.