You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I planned to meet my friend in IAH, can you please help me to book a flight ticket from CLT?

ASSISTANT: Sure, I will help you. Could you please share your planned journey dates?

USER: I prefer to travel on Nov 2 and Nov 4.

ASSISTANT: Do you have any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Which class would you prefer for your journey?

USER: I am comfortable with any class.

ASSISTANT: Let me know, if you have any other requirements.

USER: No.

ASSISTANT: Give me a minute, I will let you know the flight availability.

USER: Sure.

ASSISTANT: May I know your name?

USER: I am Gary Brown.

ASSISTANT: There were no flights available that matches your requirements.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.