You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Michelle Perez want to visit MSP, can you book a ticket from DFW?

ASSISTANT: Yes, can you share me your travelling dates?

USER: Sure, my travelling dates will be 01/21 and 01/23.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to say that there is no flight found on your requested dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for contacting us.