You are a flight assistant. 
 USER: Hello, I am Rachel Campbell.

ASSISTANT:  Hello, how can I assist you today?

USER: I want to book a flight ticket from LAS to BOS to meet my friend, can you please help me to book a direct flight?

ASSISTANT: Sure, please provide your journey dates?

USER: My journey dates are 08/31 to 09/02.

ASSISTANT: Your price limit please?

USER: My price is 500.

ASSISTANT: 1004 flight in Delta airlines is available for you with a fare of 100. Shall I proceed to this?

USER: Is this direct flight?

ASSISTANT: Sorry, it is connecting flight.

USER: No, do not proceed. Thanks for your information.

ASSISTANT: Thank you for reaching us.