You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Laura King.

ASSISTANT: How can I help you?

USER: I want to celebrate my birthday at LGA. Can you please help me to book a flight from MSP?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, my travelling dates are Feb 15 - Feb 17.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a flight with single connection.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I would like to return in the evening time.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: You have a connecting flight in Delta airlines which departs at 4AM and return at 20PM having price 300, Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you.