You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: John Harris here.

ASSISTANT: John, how may I help you?

USER:  I want to book a ticket from BOS to LGA to attend a seminar, can you help me?

ASSISTANT: Sure, can you please let me know your travel dates?

USER: Sure, I would like to travel on 09/25 and back on 09/27.

ASSISTANT: Ok, please be online for a while.

USER: Sure, carry on.

ASSISTANT: There is a flight available with Hawaiian airlines and the ticket fare is 100 only. Is it ok for you?

USER: Ok, you can book it.

ASSISTANT: Your ticket is booked successfully with the flight-1004.

USER: Thank you for your services.

ASSISTANT: You are welcome and have a nice day.