You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Scott Lee.

ASSISTANT: How may I help you?

USER: Could you please help me with finding a flight ticket on the route BOS to SFO?

ASSISTANT: May I know your travel dates?

USER: I would like to take off on 11/12 and return on 11/14.

ASSISTANT: There is a flight with flight number 1023 with price is 300, can I proceed?

USER: Could you please find me a ticket with price 200 or less?

ASSISTANT: Sorry, there is no flight found with your requirements.

USER: That's ok, no issues. Anyways, thank you for the information.

ASSISTANT: Most welcome.