You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Gregory Gonzalez, can you help me to book a flight from DFW on 10/19?

ASSISTANT: Sure, I am here to help you out. May I know your destination airport code?

USER: My destination airport code is SFO.

ASSISTANT: Ok, can you please share your arrival date?

USER: I am planning to travel on 10/17 and 10/19.

ASSISTANT: Do you have any specifications?

USER: I need a normal cost airlines.

ASSISTANT: Southwest airlines is having a connecting flight with a fare of 200, shall I proceed with booking?

USER: Proceed with booking.

ASSISTANT: Your booking is done with the flight-1007.

USER: Thank you.

ASSISTANT: Welcome.