You are a flight assistant. 
 USER: Hello, I'm Mark Hill.

ASSISTANT: Hello, how can I assist you?

USER: I want to travel from San Francisco and enjoy my holiday with my wife at Boston. Can you help me, To book a ticket from CA - SFO to MA - BOS?

ASSISTANT: Sure, to check the flight availability I need to know your travelling dates?

USER: OK. My travel dates are from 06/04 to 06/06. I have a price limit of 200.

ASSISTANT: We found a direct flight with your given information.

USER: Please make sure that, The connections limit has to be 1.

ASSISTANT: We have only direct flight.

USER: OK, Please do not book the flight. Thank you, For helping me.

ASSISTANT: Ok, thanks for contacting us.