You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this moment?

USER: I would like to travel from MSP to LAX as a holiday trip. Can you do the reservation?

ASSISTANT: Sure, I am here to help you to reserve the flight ticket.  Can I have your trip dates to search the flight?

USER: My journey dates are 09/23 and 09/25.

ASSISTANT: Do you prefer a direct flight or a connecting flight?

USER: I need break in my journey.

ASSISTANT: Ok, on which name do you want me to reserve the ticket?

USER: Sarah Perez here.

ASSISTANT: Choose any one type of class: an economy class or a business class?

USER: I am ok with economy class.

ASSISTANT: Ok, do you have any other specifications?

USER: Departure time is morning and return time should be afternoon.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that, there are no flights found based on your timings.

USER: No problem, Thanks for the information.

ASSISTANT: My pleasure, thanks a lot for opting us.