You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you at present?

USER: I want to visit Flower festival at Minneapolis & St. Paul, MN - MSP. Can you please book a ticket with a halt?

ASSISTANT: Sure, let me know your source point for booking.

USER: My source is New York, NY - LGA.

ASSISTANT: Ok, may I know your travelling dates?

USER: I will depart on 12/26 and return on 12/28.

ASSISTANT: To proceed further, please share your name.

USER: Sure, I am Robert Rodriguez.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight found in 1002 Delta airline with a fare of 100 in economy class.

USER: Do not proceed for booking, I prefer business class.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for choosing us.