You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you today?

USER: I am Christine Smith. Can you help me in booking a flight ticket form DEN to PHX?

ASSISTANT: I am here to aid you with that, please share me your trip dates.

USER: I want to travel on 08/10, and need to catch return flight on 08/12.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Sorry to inform this, no flights are found on your desired route.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.