You are a flight assistant. 
 USER: Hello. I am Jennifer Mitchell.

ASSISTANT: Hello, How can I help you out? Jennifer Mitchell.

USER: I want to attend my friend's house warming function to watch material of house as I am an interior designer. Can you please book a ticket with a price limit of 500?

ASSISTANT: Sure, I will help you in this. Can you share your travelling dates?

USER: I would like to depart on 05/15 and return on 05/17. I need single connection.

ASSISTANT: Share your airport codes.

USER: My origin is WA - SEA and destination is CA - OAK.

ASSISTANT: Ok, thanks for sharing. But, no flights for you on your chosen dates.

USER: Ok, no issue. I will found another option. Thanks for your response.

ASSISTANT: Thank You.