You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Jacob Perez. Can you please book a flight ticket from OAK to BOS?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I need to travel on dates of Mar 21 and Mar 23.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need connection 1.

ASSISTANT: May I know your price limit?

USER: Sure, my affordable price is 200.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there are no flights found with your given dates.

USER: Oh! it is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for opting us.

USER: Most welcome.