You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Linda Young.

ASSISTANT: How can I help you for today?

USER: I want to book a flight ticket to meet my friend's at LAX from MSP. Can you help me?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: Thank you. 08/20 and 08/22 are my travelling dates.

ASSISTANT: Do you have any other specifications?

USER: I need  a connecting flight.

ASSISTANT: Do you have any preferences?

USER: I need to return in the afternoon.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: No issue. Thank you.

ASSISTANT: Thank you for contacting us.