You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I would like to attend live music concert at Charlotte, can you please reserve fight ticket from OAK to CLT?

ASSISTANT: Sure, may I know the planned travel dates?

USER: Sure, my planned travelling dates are Jul, 31 and Aug, 02 respectively.

ASSISTANT: Do you have any connection limit for this journey?

USER: I prefer for direct flight in my journey.

ASSISTANT: Please provide me the name.

USER: John Scott here.

ASSISTANT: Sorry, there are no flights are available for your desired intent.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for reaching us.