You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Rachel Lopez, can you find a flight from MSP to ORD?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: Ok, my trip dates are from 07/21 and 07/23.

ASSISTANT: Please give me a moment.

USER: Take your own time.

ASSISTANT: Sorry, no flights are available on your route.

USER: It's ok, thanks for checking.

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