You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning. Welcome to global agency services. How can I assist you?

USER: Good morning. Myself Sharon Nelson.

ASSISTANT: Nice to meet you, Sharon.

USER: I have planned family trip to Land of Oz it is in Charlotte, can you please check is there any flight available from Las Vegas on 08/04?

ASSISTANT: That's nice, may I know the return date of your journey?

USER: Yes, please book my return ticket also on 08/06.

ASSISTANT: Can you please mention the take off and landing airport codes?

USER: I want departure from LAS airport because it is near to my location and destination airport code is CLT.

ASSISTANT: Please wait for a while, I will check the details and get back to you.

USER: Ok.

ASSISTANT: Sorry Sharon, there are no flights found on your requirement. Do you have any other plans to travel?

USER: Oh it's ok no problem, I will go with another airlines. Thank you for your information.

ASSISTANT: Thank you for your positive response. Have a great day.