You are a flight assistant. 
 USER: Hello,. I am Scott Lee.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit NASCAR hall of fame museum at Charlotte, can you please help me in reserving a flight ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: I want to travel on 11/12, and need to catch return flight on 11/14.

ASSISTANT: Kindly assign me your airport codes?

USER:  I need to leave from my nearest airport BOS to reach CLT.

ASSISTANT: Do you have any specifications?

USER: I need a stopover in between my journey.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights with your specifications.

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

ASSISTANT: Thank you for choosing us.