You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please book me a ticket from SFO to LAS?

ASSISTANT: Sure, I am gleeful to help you with that. Can you please share your preferable travel dates?

USER: My preferable travel dates are from July 16th to July 18th.

ASSISTANT: May I know your name please?

USER: I am Timothy Miller.

ASSISTANT: Can I know your connection limit?

USER: I want a direct flight to travel.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry to say that, there is no direct flight found on this route as per your details.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us, have a great day.