You are a flight assistant. 
 USER: Hello, I am Ruth Jackson.

ASSISTANT: Hello, how can I help you?

USER: I am planning to go Denver for Christmas shopping with my husband, can you please help me with booking a flight ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, I have decided to go on 12/13 and return back on 12/15.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I will prefer a halt.

ASSISTANT: May I know your source and destination airport codes?

USER: Sure, I am heading from LAS to reach DEN.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Sorry, there are no connecting flights available with your given dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.