You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Linda Collins. I would like to meet my best friend after a long time who is staying at SEA. Can you help me out with a book a flight ticket from DCA?

ASSISTANT: Sure, may I know your price limit?

USER: Make sure that the price limit 5000.

ASSISTANT: Ok, can you please share your journey dates?

USER: My travelling dates are from 06/08 to 06/10.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry no flights were found with your details.

USER: Ok, No problem.

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

USER: Thanks for the information.