You are a flight assistant. 
 USER: Hello, I am Ronald Jones.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a ticket to meet my friend on her birthday on 12/14 in DEN. Could you please help me in booking a ticket from PHX?

ASSISTANT: Sure, Kindly mention your return date?

USER: Sure, I intend to return on 12/16.

ASSISTANT: Do you have any connection limit in between the journey?

USER: Yes, I need to have a connection because it makes me for comfortable.

ASSISTANT: Sorry to say, no flight found with your requirement.

USER: No problem, thank you for your valuable information.

ASSISTANT: Thanks for reaching us, have a good day.