You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: My name is Catherine Mitchell, I am planning for round trip from Dallas & Forth Worth, TX-DFW. Can you book a flight for me?

ASSISTANT: Sure, We are here to help you. Can you please share your trip dates?

USER: I will travel on 07/06 ans return on 07/08.

ASSISTANT: Do you have any requirements?

USER: I need a flight with single connection. My budget for flight ticket is 1000.

ASSISTANT: Thank you for your details. According to your requirement we found a flight with single connection of fare 100. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been booked with flight number 1003 and airline AA.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing our travel agency.