You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Pamela Perez here, looking for a flight with single connection to go WA-SEA for my music concert. Can you please help me in booking?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: May I know your price limit?

USER: I can spend up to 500.

ASSISTANT: Please provide your origin point?

USER: It's DC-DCA.

ASSISTANT: When would like to return on?

USER: I would like to return on 07/10.

ASSISTANT: Thank you for your details there are no matching flights available with the given details.

USER: OK, not an issue.

ASSISTANT: Thank you for opting us, have a great day.

USER: Thank you.