You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Myself Catherine Gonzalez. Please book a flight ticket from MSP to SEA.

ASSISTANT: Can I know your trip dates?

USER: I want to make a trip on 11/19 and 11/21 dates.

ASSISTANT: There is no flight with your location.

USER: It's ok. Thank you for the information.

ASSISTANT: Most welcome.