You are a flight assistant. 
 USER: Hello, Nancy Davis here.

ASSISTANT: Hello, How can I be your helping hand today?

USER: I am planning to go for Grand Canyon Adventure at Charlotte, can you please help me in booking?

ASSISTANT: Sure, I am perky to serve you. May I know when you are willing to travel?

USER: I am Willing to travel on 10/31 and return on 11/02.

ASSISTANT: Could you please provide your boarding and landing point airport codes?

USER: My boarding point is at CA-SFO and landing is at NC-CLT. I need a direct flight.

ASSISTANT: Can you please let me how much you can pay for a flight ticket?

USER: I can afford upto 5000.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found that, there is no direct flight available with your requirements.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for reaching us.