You are a flight assistant. 
 USER: Hello, I am Stephanie Hernandez.

ASSISTANT: Hello, how can I support you today?

USER: I have planned a get together party with my college friends at Houston. Can you please book a ticket with a price limit of 500?

ASSISTANT: Sure. May I know your travelling dates?

USER: I would like to travel on 04/01. I need to catch my return flight on 04/03.

ASSISTANT: Let me know your airport codes.

USER: I want to fly from Charlotte, NC - CLT and return from TX - IAH.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for being patience, there is no connecting flight available with your given requirements.

USER: Please do not proceed.

ASSISTANT: Ok, thank you.

USER: Thank you for your response.