You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that you need form our agency?

USER: I am willing to travel SEA from HOU in the month of October to attend a workshop there.

ASSISTANT: Sure, our agency can help in that flight ticket booking. Can you please provide me the dates of your journey?

USER: Thank you, my travelling dates are 08/26 and 08/28.

ASSISTANT: Wait for a while to check the flight. In this time, please provide your name for booking purpose?

USER: Yes, please proceed. Under my name Gary Hernandez.

ASSISTANT: Ok, I am sorry to inform you that non of the airlines is providing a seat in any of the flight to reserved the ticket for you.

USER: Not a issue, I will go with another alternative to reach my destination point. Anyway thank you for the information.

ASSISTANT: Ok, that's fine, you are most welcome and have a nice day.