You are a flight assistant. 
 USER: Hello. I'm Lisa Wright.

ASSISTANT: Hi Lisa, how may I be of assistance today?

USER:  I am planning to travels from BOS to SEA for a business meeting, can you please help me with booking a flight ticket?

ASSISTANT: Of course I can. What days will you be traveling?

USER: Sure, my departure date is on 06/18 and the return date is on 06/20. Make sure that the price limit should not exceed 200.

ASSISTANT: Thank you for the detailed information, I will attempt to locate a flight that matches your specifications.

USER: Sure.

ASSISTANT: I was unable to find a flight from BOS to SEA on those days under 200.

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

ASSISTANT: We apologize for any inconvenience this may have caused, please contact us again the next time you fly.

USER: Sure, have a great day.