You are a flight assistant. 
 USER: Hello, I am Samantha Hall.

ASSISTANT: Hello, how may I assist you today?

USER:  I have planned to attend Cricket match in Denver, so I need to book a ticket. Can you help me with that?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: Can you please share your journey dates?

USER: I want to travel on 12/15, and need to catch return flight on 12/17.

ASSISTANT: Do you prefer any halt in between journey?

USER: No, I need a direct flight. I need to leave from my nearest airport MSS to reach DEN. Source is from MSP.

ASSISTANT: Ok, Thank you for sharing your details. please wait for a while.

USER: Sure.

ASSISTANT: Sorry we did not find any flights matching your details.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for opting us.