You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Jacob Wilson here and I am planning to travel Las Vegas to attend a family get together party, can you reserve a flight ticket for me?

ASSISTANT: Sure, we are gleeful to help you.

USER: Thank you.

ASSISTANT: Could you please provide your nearest airport codes for booking?

USER: Sure, the source region is OAK and the landing location is LAS.

ASSISTANT: Ok, may I know your preferable dates that you want to travel?

USER: I would like to departure on 11/17 and arrival back on 11/19.

ASSISTANT: On whose name I have to book this flight ticket?

USER: Book the ticket on my name Jacob Wilson which I have provided.

ASSISTANT: Please hold on to check the flights availability.

USER: Ok, carry on.

ASSISTANT: Thank you for being on hold. Sorry to inform you that, there are no flights moving to your travelling locations with your requested dates of travelling.

USER: Oh! That's very sad, anyways thank you for your better search.

ASSISTANT: Sorry for the inconvenience.

USER: That's fine, no problem.

ASSISTANT: Thank you for reaching us, have a great day.