You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I need you to book a flight ticket from ORD to SFO. Please help me out.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: June 14 and 16 are my planned travelling dates.

ASSISTANT: Let me know your specifications?

USER: I would like to fly in a connecting flight.

ASSISTANT: Can I know your name?

USER: My name is Justin Turner.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.