You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Samuel Young. I would like to travel from SEA to IAH locations, can you please reserve a flight ticket?

ASSISTANT: Please may I know your desired travel dates?

USER: My travelling dates are from 09/15 and 09/17.

ASSISTANT: There is no flight available on your desired travel dates.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for choosing us.