You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I best assist you now?

USER: Please help me to book a flight ticket from SEA to SFO.

ASSISTANT: Sure, I am gleeful to assist you. Can you please let me know your travelling dates?

USER: My journey dates are from Jan, 10 to Jan, 12.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I need a single connecting flight.

ASSISTANT: May I know your good name please?

USER: Carol Allen.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for your time, we have found a American airline, flight number-1015, connections-1 and ticket-100. Would you like me to book the ticket?

USER: Please go ahead.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you for booking.

ASSISTANT: Thank you for your presence. We hope to serve you again.