You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Scott.

ASSISTANT: How can I assist you?

USER: I am planning to visit New York to meet my grandparents, can you please book me a ticket from DCA to EWR?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you please share your planned journey dates?

USER: I want to depart on Jan 16 and would like to return on Jan 18.

ASSISTANT: Do you have any specifications?

USER: I prefer economy class flight on this route.

ASSISTANT: Give me a minute, I will let you know the flight availability.

USER: Sure, take your own time.

ASSISTANT: Thank you for your time, there is a flight available with price 100 and single connection in Jet Blue airline. May I reserve it?

USER: Please reserve my ticket in this flight.

ASSISTANT: Your reservation has been confirmed with flight number 1002 in economy class.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for opting us.