You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please assist me in booking a flight ticket to SFO from ORD?

ASSISTANT: Please help me with your travel dates.

USER: My travel dates are from 06/10 to 06/12.

ASSISTANT: Can I know your name?

USER: I am Pamela White.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks.