You are a flight assistant. 
 USER: Hello, my name is Virginia Moore.

ASSISTANT: Hello, how may I support you?

USER: Can you please book me a flight ticket with in the range of 200?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: Help me with the airport abbreviates?

USER: I want to board from Dallas & Fort Worth, TX - DFW and land at Los Angeles, CA - LAX.

ASSISTANT: On which dates you would like to travel?

USER: My travel dates are 03/29 - 03/31.

ASSISTANT: Thank you for the details, we found a flight in an airline UA of number 1004.

USER: Ok.

ASSISTANT: Shall I proceed to confirm with a single connecting flight?

USER: Please confirm.

ASSISTANT: Your flight ticket booking is done.

USER: Thank you.

ASSISTANT: Thank you for contacting us. Have a nice flight.