You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to attend my convocation ceremony, so please book my ticket from JFK to ATL.

ASSISTANT: May I know your travel dates?

USER: My itinerary dates are July 11 and July 13.

ASSISTANT: Do you have any specifications?

USER: I prefer business class.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: May I now your name? Sorry, May I know your name?

USER: Kenneth Thomas here.

ASSISTANT: Sorry, I did not find any flights for you.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.