You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a ticket from SEA to JFK. Could you book a ticket?

ASSISTANT: Sure, may I know your planned dates to travel?

USER: Departure is Jan, 28 and return date is Jan, 30.

ASSISTANT: May I know your good name please?

USER: My name is Amy Edwards.

ASSISTANT: Is there any connection limit?

USER: I prefer connecting flight.

ASSISTANT: Do you have any class preference?

USER: I would like to prefer business class.

ASSISTANT: Is there any other requirements you have?

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

ASSISTANT: Sorry, there were no flights found with your required dates to travel.

USER: Thank you.

ASSISTANT: Thank you for choosing us.