You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jacob Wilson.

ASSISTANT: How may I assist you today?

USER: I am planning to go for LAS from DTW. Can you please help me in booking my flight ticket?.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are Nov 29 and Dec 01.

ASSISTANT: Do you need any connection limit?

USER: I need connecting flight.

ASSISTANT: May I know your depart and arrival timings?

USER: I need my depart flight at morning time and I did not plan for my return journey.

ASSISTANT: There is no flight found with your given information.

USER: I need business class ticket in flight. Please recheck with that.

ASSISTANT: Sorry to say that there is no flight available on your route.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for choosing us.