You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Will you assist me in booking a flight ticket with the name of Katherine Clark as I want to meet my parents at Washington, DCA?

ASSISTANT: sure, when are you planning to travel?

USER: My trip dates are 05/06 to 05/08.

ASSISTANT: Please provide your origin airport code.

USER: I want to fly from Los Angeles, LAX.

ASSISTANT: Please provide your specifications.

USER: Yes, I need a stopover. My price limit is 500.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time. Unfortunately, there is no flights found based on your details.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.