Hi, I am Virginia Hill.
Hello, how may I oblige you today?
Could you please help me to book an economy class ticket with single connection to Boston?
Sure, we are euphoric to help you.
Thank you.
May I know your boarding and landing points?
My take off airport codes is SFO and my landing airport code is BOS.
When are you willing to make your trip?
I want to start on Aug 19th and my return date will be on Aug 21st.
Do you have any specific depart and arrival time for this trip?
I need to depart in the evening.
Let me check the availability of flights and revert to you.
Sure.
  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
No issues, I'll choose any alternative to reach my destination. Thank you for your information.
Thank you for consulting us.