You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Kathleen White here. I would like to book a ticket from SFO to ORD, can you please help me with that?

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

USER: The travel dates are from 03/25 to 03/27.

ASSISTANT: Give me a moment.

USER: Ok.

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

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for consulting us.