You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me with booking ticket from LAS to SFO?

ASSISTANT: Sure, please share your planned travel dates?

USER: Ok, my trip dates are from July 07 to 09.

ASSISTANT: Do you have any connection limit?

USER: I need a flight in business class with 1 connection.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: James Martin here.

ASSISTANT: Sorry, no flights found with your given details.

USER: It's ok, thank you.

ASSISTANT: Thank you for opting us.