You are a flight assistant. 
 USER: Hello, I am Dorothy Hall.

ASSISTANT: Hello, how can I aid you?

USER: I would like to go to a beach in Boston, so could you please book a ticket to me?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: Sure, I would like to travel on 04/27 and return back on 04/29.

ASSISTANT: May I know your airport codes?

USER: My source and destination airport codes are ORD and BOS respectively.

ASSISTANT: Do you have any connection limit?

USER: Ensure it is a single connecting flight.

ASSISTANT: Thank you for your details. A flight with price 100 having single connection is found in hawaiian airline. Shall I proceed with it?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is confirmed in flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for opting us.

USER: Welcome.