You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Can I know your desired travel dates please?

USER: My travel dates are 02/17 and 02/19.

ASSISTANT: There is no flight available on your desired travel dates. May I know your name please?

USER: Myself Gary Collins. Thank you for checking.

ASSISTANT: Thank you for reaching us.