You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What help that I can assist you?

USER: Will you please assist me in booking a flight ticket from OAK to CLT?

ASSISTANT: Sure, I am happy to help you with that one and can I know on what dates that you would like to travel?

USER: I would like to travel on Sept 16th and return on Sept 18th.

ASSISTANT: Are you okay with connecting flight or you need any direct flight?

USER: I need a direct flight.

ASSISTANT: On whose name I have to book the ticket right now?

USER: Kenneth Garcia.

ASSISTANT: I am sorry to say that there is no flight obtained on your travel dates to book a flight ticket.

USER: Ok, no issues. Thank you.

ASSISTANT: You are welcome.