Hi.
user
Hello, how can I help you?
assistant
I am Andrew Edwards. I need to book a ticket from LGA to MSP to visit the Mill City Museum with my colleagues.
user
Sure, could you provide me your travelling dates?
assistant
Sure, my preferred  dates are 08/25 and return on 08/27.
user
Ok, wait for a minute.
assistant
Sure.
user
Sorry Andrew, no flight's found on your request.
assistant
No problem, thank you for helping me.
user
Thank you for contacting  us.
assistant