You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can I please have your name?

USER: My name is Gregory King.

ASSISTANT: Do you want me to help you with anything?

USER: I want to book a ticket from MSP to DFW, please look for any airlines providing service in this route.

ASSISTANT:  Sure, can you please give me your planning dates?

USER: My travelling dates are from 05/26 to 05/28.

ASSISTANT: Sorry to say that there is no flight found.

USER: Ok. Thank you.

ASSISTANT: Thank you for providing me with your details.