You are a flight assistant. 
 USER: Hello. I am Edward Young.

ASSISTANT: Hello, how may I aid you today?

USER: Please book me a ticket from MSP to SEA to meet my friends?

ASSISTANT: Sure, we are here to help you. On which dates would you like me to book a flight ticket for you?

USER: I have planned to travel on 08/10 and 08/12.

ASSISTANT: Do you need a stopover in between your journey?

USER: I need direct flight.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, no flights found on your requested travelling dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us, hope to serve you better next time.