You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to meet my college friends at Los Angeles, please book a ticket from SEA to LAX.

ASSISTANT: May I know your travel dates please to book?

USER: My planned dates are 12/12 and 12/14.

ASSISTANT: Sorry, there are no flights available now.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for connecting our agency. Please may I know your name for data purposes?

USER: My name is Joshua Moore.

ASSISTANT: Thank you.