You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: This is Gregory Wilson.

ASSISTANT: What service you are looking Wilson.

USER: Could you help me for book a flight ticket from MA-BOS to CA-OAK.

ASSISTANT: Sure, can I know your travel dates please?

USER: My departure day is 01/21 and return day is 01/23.

ASSISTANT: Any thing else regarding price and connections?

USER: My price limit is 500 and 1 connection.

ASSISTANT: Please wait a moment mean while I will check it out.

USER: OK.

ASSISTANT: I have found a flight for you with single connection and price is 100. Shall I proceed in Booking?

USER: Please confirm this ticket.

ASSISTANT: I have booked a ticket with flight number 1025 and airline is UA.

USER: Thank you for your service.

ASSISTANT: Thank for contacting us, have a safe journey.