You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to book a ticket from LAS to MSP, can you help me?

ASSISTANT: Yes, I can help you. Can you share me your travel dates?

USER: My travel dates are 12/17 and 12/19.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates. Can I know your name for documentation?

USER: I am Thomas Hill. No problem, thanks for checking.

ASSISTANT: Thank you for contacting us.