You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Donna Rodriguez. Can you please help me in flight ticket booking process from SEA to OAK?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you, I want to take off on Sept 29 and book my return ticket also on Oct 01.

ASSISTANT: Do you have any connection preference?

USER: I need 1 break in between my journey.

ASSISTANT: Please share your class preference.

USER: I am ok with any class.

ASSISTANT: Do you have any other specifications on your trip?

USER: I want to return in evening time.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, Sorry to inform you that we don't have any flight available on given dates from you.

USER: Oh! It's ok no problem.

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

USER: Thank you for your information.