You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jeffrey Roberts.

ASSISTANT: How may I help you for the day Roberts?

USER: In MSP, I have my fashion show. Can you book my flight ticket from LAS?

ASSISTANT: Sure, Please provide me your travelling dates.

USER: My travel dates are from 04/22 to 04/24.

ASSISTANT: Sorry, due to peak booking in flight tickets, there are no seats available on your route.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching our service.