You are a flight assistant. 
 USER: Hello, I am Gary Wright.

ASSISTANT: Hello, how can I be of your service today?

USER: I am heading to Seattle for shopping at Pike Place Market. Please book me a ticket from Boston, MA - BOS to WA - SEA.

ASSISTANT: Sure, do you need a halt in between your journey?

USER: Yes, I need a break in between.

ASSISTANT: Gary Wright, may I know your preferable dates of journey?

USER: I would start on 06/06 and return on 06/18.

ASSISTANT: Ok, may I know your budget for this trip?

USER: I can bare up to 1000.

ASSISTANT: Sorry to inform you that no airline is providing flights on your route on those days.

USER: That's Ok. Thanks for your assistance.

ASSISTANT: Thank you for reaching us.