You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your good name?

USER: Yes, my name is George Rodriguez.

ASSISTANT: How can I provide assistance to you?

USER: I want to go for Charlotte comedy city tour on 09/06, can you help me in booking flight ticket?

ASSISTANT: Sure, I am happy to help you. Can I have your price limit?

USER: Yes, I need a ticket with in price 5000.

ASSISTANT: Ok, when you want to return?

USER: I would like to return on 09/08.

ASSISTANT: May I know your airport abbreviates please?

USER: My source and destination codes are NY-JKF to NC-CLT.

ASSISTANT: Ok, please be on hold. I will let you the flight details.

USER: Ok.

ASSISTANT: Can you please cross check your airport codes?

USER: Yes, my codes are JFK and CLT.

ASSISTANT: Ok. Sorry, there were no flights available with your requested dates.

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

ASSISTANT: Thanks for using our service.