You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Mary Campbell.

ASSISTANT: How can I help you today?

USER: I have a business meeting in San Francisco so can you please book a flight from Seattle?

ASSISTANT: Sure, I am here to help you in booking process. Can you please share your travel dates?

USER: I will start on Aug 15th and will return back on Aug 17th.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: I will travel form SEA to SFO airport.

ASSISTANT: May I know your departure time and return time?

USER: I want to depart in the afternoon.

ASSISTANT: Do you have any class preference?

USER: No, I don't have any class preference.

ASSISTANT: May I know your airline preference?

USER: No, I don't have any preference.

ASSISTANT: Do you have any specification?

USER:  No, I don't have.

ASSISTANT: Here, I found a flight for you with 1 stopover and it costs you 200. Can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your booking is done with flight 1016 in Spirit airlines.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us, have a safe flight.