You are a flight assistant. 
 USER: Hi, Jerry Turner here.

ASSISTANT: Hello Jerry, how may I help you?

USER: Can you please book a flight ticket from MSP to ORD?

ASSISTANT: Please share your trip dates.

USER: My journey dates are from 11/14 to 11/16.

ASSISTANT: Please hold on for a while.

USER: Ok.

ASSISTANT: Sorry, no flight is available for you.

USER: No problem, thank you for your help.

ASSISTANT: Thank you for choosing us.