You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please book a flight ticket from MSP to DEN for my business conference?

ASSISTANT: Sure, when are you planning your trip?

USER: Thank you for accepting my request, my boarding is on Sept 04 and please book my return ticket on Sept 06.

ASSISTANT: Is there any connection limit?

USER: Yes, I will prefer single connection.

ASSISTANT: Any other benefit you want to avail?

USER: No.

ASSISTANT: Ok, can you please share your name to proceed further?

USER: Sure, my name is Michael Baker.

ASSISTANT: Sorry, no flights found as per your request.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for checking.

ASSISTANT: Thank you for contacting us.

USER: Welcome.