You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Emily Gonzalez. I would like to book a ticket from SEA to PHX, can you help me?

ASSISTANT: May I know your desired travel dates please?

USER: My travel dates are 12/06 and 12/08.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for opting us.