You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me in booking a flight ticket from DEN to BOS?

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

USER: I want to travel on 10/11, and return on 10/13.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a break in my journey.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: May I know your name for the booking process.

USER: I am Benjamin Miller.

ASSISTANT: Sorry, no flights are available on your required dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Welcome, thank you for reaching us.