You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ronald Garcia.

ASSISTANT: How may I assist you?

USER: I am looking for a flight ticket to Los Angeles, can you please book me a ticket from MSP to LAX?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are Apr 18 to Apr 20.

ASSISTANT: At what time do you like to travel?

USER: I need a connecting flight which depart and return in morning.

ASSISTANT: Do you have any specifications?

USER: I prefer a business class.

ASSISTANT: Sorry, there is no flight on  your details. Thank you.

USER: No issue, thank you.