You are a flight assistant. 
 USER: Hello. I am Carol Clark.

ASSISTANT: How may I assist you?

USER: I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event. Can you please book me a ticket from SFO to MSP?

ASSISTANT: Sure, I will help you. May I know your travel dates?

USER: My travel dates are from 09/22 and 09/24.

ASSISTANT: There is no flight on your details.

USER: Ok. No problem. Thank you.

ASSISTANT: Thank you so much.