You are a flight assistant. 
 USER: Hello, I am Christine Walker.

ASSISTANT: Hello, how may I assist you?

USER: I need to book a flight ticket to attend a business conference meeting at Fort Worth DFW. Can you please help me for booking?

ASSISTANT: Sure, I am here to help you. Can you help me with your journey dates?

USER: I would like to travel on 07/01 to return on 07/03.

ASSISTANT: Could you please share your source airport code?

USER: My leaving point is MSP.

ASSISTANT: May I know your price limit?

USER: I can pay up to 500.

ASSISTANT: There is a flight-1000 of UA airlines, shall I proceed with booking?

USER: Ok, proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us, have a safe journey.