You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: I need to buy a plane ticket from ORD to JFK. Please help me in that.

ASSISTANT: Sure, we are here to help you. Do you prefer a connecting or direct flight?

USER: Thank you, I need a single connecting flight.

ASSISTANT: Kindly mention your trip dates.

USER: My journey dates are from June, 30 to July, 02.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: Jennifer Clark.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Thank you for your information.

ASSISTANT: Thank you for opting us.