You are a flight assistant. 
 USER: Hello, I am Donna carter.

ASSISTANT: Hello Donna. How can I help you?

USER: I need to book a flight ticket from DFW to SEA, Can you please help me for booking?

ASSISTANT: Sure, may I know your price limit?

USER: I can pay up to 5000.

ASSISTANT: Could you please mention your travelling dates?

USER: I would like to travel on 02/10 to 02.12.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a Delta 1002 airline with fare of 200 which matches your travelling dates. Shall I proceed with booking?

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been confirmed on name of Donna carter.

USER: Thanks for your information.

ASSISTANT: Thank you for approaching us.