You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Hall.

ASSISTANT: How may I assist you?

USER: I want to book a ticket from OAK to SFO to attend seminar, can you help me?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I am departing on May 07 and return on May 09.

ASSISTANT: In which class, you want me to book your flight ticket?

USER: I am ok with any class, but I want to return in afternoon time.

ASSISTANT: May I know your connection limit please?

USER: I want a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: I do not have any other specifications.

ASSISTANT: Frontier airlines is providing single connecting flight for you with the fare of 500 in business class, shall I proceed with the booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked with the flight-1005.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.