You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Edward Baker here.

ASSISTANT: Baker, how can I aid you today?

USER: I would like to go to a event in Minneapolis, so could you aid me in booking a flight ticket from PHL to MSP?

ASSISTANT: Sure, I am here to help you. Baker, can you please provide your journey dates?

USER: Ok, my planned trip dates are from 12/10 to 12/12.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Ok, take your time.

ASSISTANT: Sorry Baker, there are no flights available on your requested dates.

USER: Ok, please proceed. No issues. Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.