You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: I am Donald Harris, I want to book a flight ticket from Boston, MA-BOS to San Francisco, CA-SFO. Can you help me with it?

ASSISTANT: Can you please provide me your price limit?

USER: I need a direct flight under 200.

ASSISTANT: Let me know your journey dates?

USER: My travelling dates would be from 08/15 to 08/17.

ASSISTANT: Just a moment, I will check the availability of flight and revert to you.

USER: Sure, I will.

ASSISTANT: We found a flight with two connection limit.

USER: Ok then, do not proceed for booking. Thank you.

ASSISTANT: Sure. Thank you.