You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Please book me a flight ticket from OAK to EWR to meet my family.

ASSISTANT: Sure, can you please share your travel dates?

USER: I have planned to travel on Mar 15th and return on Mar 17th.

ASSISTANT: May I know your connection limit?

USER: I prefer connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: I want to return at morning time and with normal cost airline.

ASSISTANT: May I know your name to proceed further?

USER: Myself Betty Green.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: Ok, please book this ticket. Sorry, no problem in that.

ASSISTANT: Thank you for contacting us.

USER: Anyway's thank you.