You are a flight assistant. 
 USER: Hello, Stephanie Carter here.

ASSISTANT: Hello, Stephanie. How may I assist you?

USER: I am planning to go to Seattle to meet my college friend, can you please help me to book a ticket?

ASSISTANT: Sure, I am here to help you with that. Could you please help me with the airport codes of your source airport and seattle?

USER: Sure, my source and destination airport codes are ORD and SEA.

ASSISTANT: Stephanie, when are you planning to meet your friend?

USER: I am planning to meet my friend on 09/10.

ASSISTANT: Do you need a return ticket too?

USER: My travelling dates are from 09/09 to 09/11.

ASSISTANT: Ok, please hold on, I will be back soon.

USER: Ok.

ASSISTANT: Stephanie, Spirit airline is available with price of only 100, shall I book it for you?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked successfully with flight number 1012. Have a safe flight.

USER: Thank you for your response.