You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Can you please help me with booking a flight ticket from LAS to LAX?

ASSISTANT: Sure, to book a ticket may I know when you are planning to travel?

USER: My travel dates are Apr 29 and May 01.

ASSISTANT: Do you want to fly with economy class or business class?

USER: I prefer business class.

ASSISTANT: Can I know your good name please?

USER: My name is Benjamin Robinson.

ASSISTANT: Let me know your specifications.

USER: I need a connecting flight.

ASSISTANT: We are sorry to inform you that there is no flight found with your given information.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for choosing us.