You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: I would like to book a flight ticket to Seattle to take a part in scuba driving, could you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, could you please provide your take off airport code?

USER: My source and destination airport codes are LAS and SEA.

ASSISTANT: May I know your planned travel dates?

USER: Sure, I want to reach WA on 08/12 and my return date will be on 08/14.

ASSISTANT: Do you have any other specifications?

USER: No more specifications.

ASSISTANT: May I know your good name to proceed further?

USER: I am Sarah Evans.

ASSISTANT: We found a connecting flight 1016 from Delta airline has fare 900. Shall I proceed?

USER: That's fine, you can book the ticket with this airline.

ASSISTANT: Your ticket has been confirmed in business class.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for reaching us.