You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you today?

USER: I need to travel to SEA on 08/17 attend the funeral of my grandfather. I need a flight ticket of price 1000 with a single connection.

ASSISTANT: Ok, please provide me your source point and return date?

USER: My journey starts at OAK till 08/19.

ASSISTANT: Sorry to inform you that there were no flights available on given dates.

USER: Sure, no problem.'. Thank you for helping me out.

ASSISTANT: May I know your name?

USER: I am Nicholas Taylor.

ASSISTANT: Thank you, have a good day.