Hello. Betty Hill here.
user
Hello. How can I  help you?
assistant
I want to travel from SFO to BOS for my business trip, can you please reserve a flight ticket on those locations?
user
Your travelling dates please?
assistant
Sure, my departure is on Jan 18 and please book my return ticket also on Jan 20.
user
I am sorry no flights found on your route.
assistant
Oh! Sad to hear that. Anyway, I will find another alternative to go there.
user
Thank you for choosing us.
assistant
Thank you for the information.
user