You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James Moore.

ASSISTANT: How may I help you today?

USER: I have planned a trip to Houston, can you please help me in flight ticket booking from SEA to IAH?

ASSISTANT: Sure, I am here to help you with that. Can I know your travelling dates?

USER: Thank you and my travel dates are 01/04 and back on 01/06.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flight's available based on your travelling dates.

USER: Ok, that's fine. Thank you for your quick help.

ASSISTANT: Thank you for approaching us.