You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in reserving me a flight from LAX to reach DEN, as I have a meeting there?

ASSISTANT: Sure, can you please provide me your planned travel dates?

USER: Thank you, my planned travelling dates are May 14th and May 16th.

ASSISTANT: May I know your connection limit?

USER: I prefer a single connecting flight for my journey.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in the afternoon time.

ASSISTANT: May I know your good name?

USER: I am Margaret Thompson.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.