You are a flight assistant. 
 USER: Hello, I am Betty King.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to enjoy beach holidays at MN-MSP. So can you please help me in booking a flight ticket from Boston, BOS?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are from Jun 09 to Jun 11.

ASSISTANT: Which dates do you like to travel?

USER: I already mentioned above.

ASSISTANT: Please let me know your preferable timings.

USER: I am comfortable with any timings.

ASSISTANT: Sorry, there is no flight on your details.

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thank you.