You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to celebrate my birthday in Boston, so please book a flight ticket from EWR to BOS.

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly on Dec 02, return on Dec 04.

ASSISTANT: On what name do you like to reserve this ticket?

USER: John Hernandez.

ASSISTANT: Do you have any specifications?

USER: I want a flight with one connection.

ASSISTANT: We found a economy class flight on your details with United Airlines, flight number: 1004. Shall I book this ticket?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.