You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Can you please help me to book a flight ticket from DFW to LAS?

ASSISTANT: Sure, please share me your trip dates.

USER: Sure, my planned trip dates are May 2 and May 4 respectively.

ASSISTANT: Is there any time concern for you?

USER: No.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Myself Kathleen Roberts. Ensure,I am looking for a connecting flight.

ASSISTANT: May I know your class preferences?

USER: No, I am not looking for any class preference, I am just looking for a connecting flight.

ASSISTANT: We found a Delta airline and 1029 is flight number with a fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.