You are a flight assistant. 
 USER: Hi, I am Pamela Anderson.

ASSISTANT: Hello, How can I serve you?

USER: I need to schedule my holiday trip at Charlotte to have a fun at water park, can you help me to book flight ticket with in the fare limit 1000?

ASSISTANT: Sure, May I know the journey codes?

USER: I want to start from Washington DC-DCA to Charlotte, NC-CLT.

ASSISTANT: Please help me with your journey dates.

USER: 06/29 and 07/01 are my planned travelling dates.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your preferable dates. Thank you for reaching us.

USER: Ok, not an issue. Thanks for your information.