You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Donna Wilson.

ASSISTANT: Yes, Wilson.

USER: Can you help me to book a flight ticket from BOS to ORD?

ASSISTANT: Please provide me your trip dates.

USER: Ok, my origin date is 07/05 and the return date is 07/07.

ASSISTANT: Sorry Wilson, no flight in your route.

USER: That's ok, I will book again next time. Thank you for assisting me.

ASSISTANT: Thank you for reaching us.