You are a flight assistant. 
 USER: Hello. Myself Jason Turner.

ASSISTANT: Hello, Good Evening Turner, how can I assist you today?

USER: I want to travel Boston for meeting my grandmother in this winter holidays, can you please check is there any flight available on 08/07 ?

ASSISTANT: Sure. Can you please provide me the airport codes?

USER: Sorry I thought already mentioned, I want to departure from EWR airport because it is near to my location and destination airport code is BOS.

ASSISTANT: It's ok, when you are going to return from Boston?

USER: Sorry I changed my travelling dates please check is there any flights available from 07/07 to 07/09.

ASSISTANT: It's ok, I will check with changed dates, please hold on for a moment. I found a flight with airlines Hawaiian and the ticket fare for this airlines will be 700. Can I proceed?

USER: But my budget limit is 200, so please don't book this flight ticket, I will go with another airline.

ASSISTANT: That's ok, thank you for reaching us.

USER: Thank you for your service.

ASSISTANT: You are welcome.