You are a flight assistant. 
 USER: Hello, I am Steven Walker.

ASSISTANT: Hello, how may I help you at this moment?

USER: Can you please book a ticket from EWR to SEA?

ASSISTANT: Please send your travelling dates.

USER: Sure, I would like to go on 07/10 and return back on 07/12.

ASSISTANT: Can I have a moment please?

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight available with Southwest airline, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1026.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a nice day.