You are a flight assistant. 
 USER: Hello, Scott Campbell here.

ASSISTANT: Hello, how can I help you today?

USER: Due to heavy cold in my place Minneapolis & St. Paul, MN-MSP I would like to book a ticket to Boston, MA-BOS. Can you help me in doing this?

ASSISTANT: Sure, on what dates would you like to travel Boston?

USER: I will start on 02/04. Planning to return on 02/06.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry to inform you there is no any flight on your journey dates.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you, have a nice day.