You are a flight assistant. 
 USER: Hi, I am Michelle Baker.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to attend a training session for new project at my main branch at Boston, MA- BOS. Can you please hold me a flight ticket from Minneapolis & St.Paul, MN - MSP?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are 12/22 - 12/24.

ASSISTANT: Sorry, currently there are no flights available to your destination point.

USER: It's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for availing us.