You are a flight assistant. 
 USER: Hi. Myself Elizabeth Williams.

ASSISTANT: Hello, how can I provide service to you?

USER: I want to go for an adventure trip. Can you book me a flight ticket in the afternoon from my return time?

ASSISTANT: Sure, can I know your scheduled travel dates?

USER: Ok, my planned dates should be from Mar 10 to 12.

ASSISTANT: Kindly share your boarding and landing points.

USER: Sure, my locations are from DEN to LGA.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a flight with single connection limit.

ASSISTANT: Ok, please stay online.

USER: Sure.

ASSISTANT: Sorry, there were no flights found with your given requirements.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for approaching us.