You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Carolyn Williams on this side, I was looking for a flight on the route from DCA - MSP,can you help me?

ASSISTANT: Sure, I will help you with booking your ticket. Can I have your trip dates?

USER: I will be travelling on the dates from 02/01 to 02/03.

ASSISTANT: Can I have a moment please? Sorry, no flights are running on your mentioned dates.

USER: Ok, no issues with it. Thank you for checking.

ASSISTANT: Welcome. Thank you for approaching us.

USER: Thank you for checking.