You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to go for a business trip to MSP from DEN, can you please reserve me a flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are from Apr 14th to Apr 16th.

ASSISTANT: May I know your connection limit?

USER: I would prefer a single connection in between my journey.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Thomas King.

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.