You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: I want to book a flight ticket with the normal cost airline from New York to attend my sister's engagement in Boston, can you help me in booking?

ASSISTANT: Sure, we are here to help you. Do you need a connecting or direct flight?

USER: I need a direct flight.

ASSISTANT: What is New York airport code?

USER: LGA is New York airport code.

ASSISTANT: May I know your scheduled travel dates?

USER: I would like to depart on Apr 23rd and my return date will be on Apr 25th.

ASSISTANT: Is there any more specifications?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Ok, The destination airport code is BOS.

ASSISTANT: We found a Delta airline, price is 200 in economy class with 0 connection.

USER: Everything is fine, you can proceed with the booking.

ASSISTANT: May I know your name to book a ticket?

USER: I am Sarah Robinson.

ASSISTANT: Your ticket has been confirmed with a flight number 1013.

USER: Thank you for your support in booking.

ASSISTANT: Thank you for opting us.