You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I am planning to attend Tennis competition in Charlotte CLT from Houston HOU. Can you make a reservation for me?

ASSISTANT: Sure, let me know your planned travel dates?

USER: Ok, my planned trip dates are on Nov 12 and return on Nov 14.

ASSISTANT: May I know your connection limit?

USER: Ok, my connection limit should be 1.

ASSISTANT: Is there any class preference?

USER: Yes, I want an economy class.

ASSISTANT: Can I know your name?

USER: Ok, I am Christopher Parker.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for availing us.