You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have to attend a Live Concert at San Francisco, could you please help me with booking a flight ticket from LAS to SFO?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I would like to depart on May 6th and return on May 8th.

ASSISTANT: Can you please share your connection limit?

USER: I am looking for a direct flight.

ASSISTANT: May I know your name please?

USER: I am Debra Phillips.

ASSISTANT: Is there any other requirements?

USER: I have no other requirements.

ASSISTANT: Debra Phillips, there are no flights available in your route.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.