You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I would like to book a ticket from LAS to DEN, can you help me?

ASSISTANT: May I know your travelling dates?

USER: My travel dates are 6 and 8 of Nov.

ASSISTANT: Can you please share your journey timings?

USER: I want to return in the morning.

ASSISTANT: May I know your class limit?

USER: I want to travel in business class.

ASSISTANT: Please tell me your connection limit?

USER: I need a direct flight.

ASSISTANT: Can I know your name?

USER: I am Jason Johnson.

ASSISTANT: Sorry, no flights found on your route.

USER: No problem, thanks for checking.

ASSISTANT: Most welcome.