You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Can you please help me in booking my flight ticket from BOS to SFO?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My journey dates are Sept 12 and 14.

ASSISTANT: May I know your name please?

USER: Myself William Phillips.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found a ticket for you with price of 200, flight number is 1023 in economy class and connection is 1.

USER: I need direct flight.

ASSISTANT: I am sorry to say that there is no flight found under your detail.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.