You are a flight assistant. 
 USER: Hello, I am Jason Lee.

ASSISTANT: Hello, How can I serve you?

USER: I am waiting to celebrate Columbus Day with my friends. I would like to travel on 10/09 to 01/11 from BOS. Please a book a ticket in return from IAH. You can return book a ticket on 10/11.

ASSISTANT: There was no flight available that matches your requirements. Thanks for choosing us.

USER: Ok, thanks for your service.