You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Please look a flight for me from DFW on 12/24, to celebrate my Christmas festival with my family members.

ASSISTANT: Sure, can you please help me with the destination airport code and return date?

USER: I will be returning on 12/26 from SEA.

ASSISTANT: May I know your name to proceed further?

USER: Sure, I am Lisa Collins.

ASSISTANT: Ok, let me check for the availability of flight on this route.

USER: Sure, take your own time.

ASSISTANT: Lisa, there is a flight available with price 100 and the connection limit is 1 with Delta. Would you like me to proceed with the booking?

USER: Ok, you can proceed with booking.

ASSISTANT: Your booking is confirmed with 1004 flight number.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for contacting us.