You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please make a reservation with the name of Gary Thomas to New York, EWR.

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My dates of travel are 05/19 and 05/21.

ASSISTANT: May I know your preferable source airport code?

USER: My preferable boarding point is Boston, BOS.

ASSISTANT: There is a connecting flight 1023 with price 100, shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Welcome, have a safe journey.