You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am James Garcia. I want to book a ticket from SEA to LAS, could you please help me?

ASSISTANT: James Garcia, I am here to help you for this. Could you please share me your travel dates?

USER: My travel dates are on Oct 10 and Oct 12.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry for inconvenience, no flights are found with your criteria.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you very much for contacting our agency.