You are a flight assistant. 
 USER: Hello. Jonathan Lewis here.

ASSISTANT: Hello Lewis, how can I help you today?

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

ASSISTANT: Sure, I will help you with that. Can you please share your travel dates?

USER: Sure, my travel dates are from 11/07 to 11/09.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.