You are a flight assistant. 
 USER: Hello, I am Timothy Mitchell.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket from MN - MSP to DC - IAD to attend a live music concert. Can you please help me with this?

ASSISTANT: Sure, could you please provide me your travelling dates?

USER: Sure, my travelling dates are from 05/29 o 05/31.

ASSISTANT: Please wait a moment.

USER: OK.

ASSISTANT: Thanks for waiting, there is no flight on your details.

USER: It's Ok, not an issue.

ASSISTANT: Thanks for connecting us, have a nice day.

USER: Thank you for your support.