You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: On 04/15, I need to meet my childhood friend, so please book a flight on 04/14.

ASSISTANT: Sure, Can you share me your journey locations?

USER: I have to depart from Dallas, DFW.

ASSISTANT: May I know your return date?

USER: I intend to return on 04/16. My destination is Phoenix,PHX.

ASSISTANT: Let me know your name for booking purpose?

USER: I am Donald Hernandez.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Southwest airline with connecting flight and number 1017 fare of 200. Shall I proceed for booking?

USER: Sure, you can go with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thanks for choosing us.