You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Sharon Garcia.

ASSISTANT: How can I assist 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, I am here to help you. May I know on which dates you want to travel?

USER: I want to travel on 10/02, and need to catch return flight on 10/04.

ASSISTANT: Ok, please share your airport codes.

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

ASSISTANT: Please wait  a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry we didn't  find any flight with your details.

USER: Ok, no issues.

ASSISTANT: Thank you for opting us, have a nice day.

USER: Thanks for the information.