You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: Please help me to book a flight ticket from LAX to JFK.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My trip dates are from June, 22 to June, 24.

ASSISTANT: Can I know your name please?

USER: Catherine Adams.

ASSISTANT: Do you need any specifications in airlines?

USER: I need a single connecting flight.

ASSISTANT: Can I know your other specifications?

USER: No.

ASSISTANT: Sorry, there are no flights found in our database.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.