You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Mark Roberts. I am looking for a flight from New York, can you book the flight ticket from LGA to ORD?

ASSISTANT: Sure, please share your planned travel dates.

USER: My trip dates are from May 12th till May 14th.

ASSISTANT: Do you have any class preference?

USER: No, I am ok with any class.

ASSISTANT: Please let me know if your have any other preference.

USER: I need 1 stop over.

ASSISTANT: We have flight from Hawaiian airline, number 1010 and the price is 100. Please check the details and let me know if you want to proceed with it.

USER: Please proceed with it.

ASSISTANT: Your ticket is reserved in business class.

USER: Thank you.

ASSISTANT: Thank you for allowing us to serve you.