You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Laura Taylor.

ASSISTANT: How may I assist you?

USER: I would like to travel from DC-IAD to MN-MSP.

ASSISTANT: Ok Taylor, can you please provide me your travelling dates?

USER: Ok, sure my dates of travelling are 07/21 and 07/23.

ASSISTANT: Ok Taylor, please give me some time I will check and let you know the availability.

USER: Ok.

ASSISTANT: Sorry Taylor, There is no flight available on the given dates.

USER: Ok, thank you for response.

ASSISTANT: Thank you for approaching us, have a nice day Taylor.