You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I'm Michael Hill. I am planning to attend music concert at DEN, can you please help me with booking a flight ticket from BOS?

ASSISTANT: Surely, I will help you. Please send your preferable dates of journey.

USER: Sure, I would like to take off on 08/04 and return back on 08/06.

ASSISTANT: Please wait for a while, I will check the availability of the fights on your given dates.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: There is a direct flight available with Hawaiian airline which costs 200 per ticket. Shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Sorry, there is no connecting flight available on your dates.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.