You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Samuel Carter. Can you please book a flight to MCO from OAK?

ASSISTANT: May I know the dates?

USER: My journey dates are from 07/23 to 07/25.

ASSISTANT: Give me a minute. Sorry, there is no flight found.

USER: It's ok.

ASSISTANT: Thank you.

USER: Thank you for helping me.

ASSISTANT: Welcome.