You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Christine Anderson, can you help me in booking a flight from PHL to PHL it is a round trip?

ASSISTANT: May I know your desired travel dates please?

USER: Ok, my trip dates are 12/20 and 12/22 respectively.

ASSISTANT: There is a flight with connection limit 1 and fare 200, shall I proceed for booking?

USER: Yes, go ahead.

ASSISTANT: Ticket is booked, flight number 1005.

USER: Ok, thank you for booking.

ASSISTANT: Thank you for opting us.