You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Myself Thomas Thompson, I need to schedule my trip to travel Charlotte. Can you please help me in reserving the ticket from IAH to CLT?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I will drop-off 05/24 and again I will retrieve on 05/26.

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

USER: Sure, I will wait for your response.

ASSISTANT:  Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Not a big deal, anyway thank you very much for your kind service.

ASSISTANT: Your welcome.