You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi. How can I help you?

USER: I want to book a ticket from SEA to JFK, can you help me out?

ASSISTANT: Sure, help me with your dates?

USER: My travel dates are 06/04 and 06/06.

ASSISTANT: May I know your name please?

USER: My name is Christoper Miller.

ASSISTANT: I am sorry I cannot find any flight on your request.

USER: Ok.

ASSISTANT: Thank you.

USER: Thank you for checking.