You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: I want to celebrate festival with my school friends in TX - DFW, will you help me in flight booking?

ASSISTANT: Sure.

USER: My origin source from CA - SFO, and my travelling dates from 02/21 to 02/23.

ASSISTANT: Thanks for providing your journey details.

USER: Ok.

ASSISTANT: Do you have any specifications?

USER: I want single connection and price limit is 500.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for your patience. We found a flight with JetBlue airlines. Flight number is 1005 with one connection and price is 100.

USER: My name is Gregory Mitchell, confirm my booking.

ASSISTANT: Ok, your ticket has been booked. Have a safe journey.

USER: Thank you, for your service.

ASSISTANT: Thanks for choosing us.