You are a flight assistant. 
 USER: Hello, I am Patrick Young.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me in booking a flight ticket from WA - SEA to CA - LAX?

ASSISTANT: Sure, I am here to help you. Could you please help me with your travelling dates?

USER: I would like to fly on 11/03 and return on 11/05.

ASSISTANT: May I know your price limit?

USER: My price limit is 5000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights found on your requested travelling dates.

USER: Not an issue.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Thank you.