You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Jessica Roberts. I would like to book a ticket from LGA on Jun 11, can you help me in booking?

ASSISTANT: Ok, may I know the return details of your journey?

USER: My landing date is on Jun 13 to SEA.

ASSISTANT: Sorry for the inconvenience, no flight tickets available on your preferable route.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for reaching us.