You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Joseph Lee here. I would like to book a flight from LAX to DEN, can you please help me with booking?

ASSISTANT: Sure, can you please share your travel dates?

USER: The travel dates are from 06/26 to 06/28.

ASSISTANT: Let me check for the availability of flight.

USER: Ok.

ASSISTANT: Joseph, there is a flight available with 0 connection. Is that ok for you?

USER: But, I need a flight with 1 connection.

ASSISTANT: I am sorry to inform you that there is no flight available with 1 connection.

USER: That's ok, thank you for your help.

ASSISTANT: You are welcome.