You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How may I assist you?

USER: As I am planning to visit Sea lion center at SFO with my cousin.

ASSISTANT: May I know your good name?

USER: Can you be my helping hand to book my ticket ?

ASSISTANT: Sure, Can you please give your journey details?

USER: Sure, I am Emily Nelson. Sure, I will start from LAX on 05/16. I intent to return on 05/18.

ASSISTANT: Thank you for providing your specifications but I am sorry to inform you that there is no flight found.

USER: Ok, no problem. Thank you for helping me.

ASSISTANT: Thank you for reaching us. Have a good day.