You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend a seminar at SFO so, can you please book a flight ticket from JFK?

ASSISTANT: Sure, can you please share your travelling dates?

USER: I have planned to travel on dates Mar 30 and Apr 01.

ASSISTANT: Do you have any limits on number of connections?

USER: No, I prefer to travel in a direct flight.

ASSISTANT: Is there any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Kimberly Johnson.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for choosing us.