You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Please book a connecting flight from ATL to IAD to meet my family.

ASSISTANT: Sure, May I know your travelling dates?

USER: June, 26 and June, 28 are my travel dates.

ASSISTANT: Do you have any class preference?

USER: Yes, I need business class ticket.

ASSISTANT: Is there any preferences?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: Deborah Perez.

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: That's ok, no issues. Thank you.

ASSISTANT: Thank you.