You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: I want to visit to Harriet Tubman House at Boston, can you please help me in reservation?

ASSISTANT: Sure, I would be happy to help you. May I know your airport codes?

USER: My airport codes are from CA-OAK to MA-BOS.

ASSISTANT: When do you planned your journey dates?

USER: My planned dates of travel from 03/23 to 03/25.

ASSISTANT: Can you please provide me your good name?

USER: I am Gary Walker.

ASSISTANT: We are glad to inform you that there is a flight found with Hawaiian airline of flight number 1005 and fare is 300. Shall I proceed for booking?

USER: Do not proceed with booking, I need a flight within 200.

ASSISTANT: Ok, thanks for choosing us.

USER: Thank you.

ASSISTANT: Have a great day.