You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Samantha Hall. Can you help me booking a flight ticket from PHL to IAD?

ASSISTANT: May I know your desired travel dates please?

USER: I will start on Dec, 13 and return on Dec, 15.

ASSISTANT: Please wait a while. There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1021.

USER: Thank you.

ASSISTANT: Thank you for opting us.