You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Catherine Turner here.

ASSISTANT: How may I assist you?

USER: Please reserve a flight ticket from LGA to EWR for my business meeting.

ASSISTANT: Sure, help me with the trip dates?

USER: Ok, my departure is on June 28 and please book my return ticket also on June 30.

ASSISTANT: Do you have any class preferences?

USER: No, I don't have any class preference.

ASSISTANT: Please let me know if you have any other preferences?

USER: Yes, I would like to prefer my departure flight and return flight is at morning time.

ASSISTANT: We found a flight in an airline United with 1000 number having a single connection price of 1200. Shall I reserve it?

USER: I am ok with that flight, you can proceed with booking now.

ASSISTANT: Your flight ticket has been booked with a flight having it's depart and return time in the morning in a business class.

USER: Thank you for your kind help.

ASSISTANT: Thank you for reaching us.

USER: Welcome.