You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in reserving flight ticket from CLT to DFW?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My journey dates are Dec 13 and Dec 15.

ASSISTANT: What is your max connection limit?

USER: I want max of single connection.

ASSISTANT: May I know your name?

USER: I am Daniel Rodriguez.

ASSISTANT: Do you need any other requirements?

USER: I would like to depart in the evening.

ASSISTANT: We regret to inform you that there is no flights going on your way.

USER: It's ok, thank you.

ASSISTANT: Thank you for opting us.