You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you at present?

USER:  I have planned to attend Cricket match in Denver, CO - DEN. So I need to book a ticket.

ASSISTANT: Sure, kindly please share your travelling dates.

USER: My travelling dates are 09/09 and 09/11.

ASSISTANT: Ok, let me know your source point.

USER: I want to start from Boston, MA - BOS.

ASSISTANT: Sure, may I know your budget?

USER: I can spend up to 200.

ASSISTANT: To proceed further, please help me with your name.

USER: Sure, I am Nicole Collins.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that, there were no flights running at that location due to abnormal weather location.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for availing us.