You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me to book a flight ticket from SFO to ORD?

ASSISTANT: Yes, can you share me your dates of travel?

USER: My journey dates are June 16 to June 18.

ASSISTANT: Do you have any preferences?

USER: I need a single connection of flight.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Ok, no problem, for your reference purpose my name is Catherine Robinson.

ASSISTANT: Thank you for reaching us.

USER: Thank you.