You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I need to attend a business meeting in New York.Can you book a ticket from MA-BOS to NY-EWR?

ASSISTANT: Sure, on which dates you prefer to travel?

USER: My business meeting held on 04/29 and return to Boston on 05/01.

ASSISTANT: Ok, may I know your good name please?

USER: Gregory Lee here.

ASSISTANT: As per your request there is a flight 1020 of Delta airlines available for you. Would you like to travel in this airlines?

USER: Sure, you can book this airline.

ASSISTANT: Congratulations, your ticket is booked. Thank you for using our service.

USER: You are welcome.