You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: My name is Laura Harris. I would like to travel to Dallas to meet my brother. Can you help me in booking a ticket from MSP to DFW?

ASSISTANT: Sure, can you please share your travel dates?

USER: My planned journey dates are 04/21 and 04/23.

ASSISTANT: Let me check for the availability of flight.

USER: Ok.

ASSISTANT: Laura, there is no flight available at your requested dates.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for reaching us.